diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index bfc8c964c4..e2d72a7a1f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ jobs:
     name: Bazel, Linux, Swift 6.2 # pre-installed
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
       - uses: ./.github/actions/bazel-linux-build
@@ -40,7 +40,7 @@ jobs:
             version: '6.2'
     container: ${{ matrix.image }}
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
       - name: Build plugins
diff --git a/.github/workflows/copilot-setup-steps.yml b/.github/workflows/copilot-setup-steps.yml
index e9b367a704..bf8003d670 100644
--- a/.github/workflows/copilot-setup-steps.yml
+++ b/.github/workflows/copilot-setup-steps.yml
@@ -16,7 +16,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
       - name: Get Swift version
diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 5d582bbe4d..ae016d53fc 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -57,11 +57,11 @@ jobs:
       packages: write
     needs: set-context
     steps:
-    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+    - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       if: needs.set-context.outputs.checkout-ref == 'pr'
       with:
         persist-credentials: false
-    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+    - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       if: needs.set-context.outputs.checkout-ref != 'pr'
       with:
         ref: ${{ needs.set-context.outputs.checkout-ref }}
@@ -79,11 +79,11 @@ jobs:
       packages: write
     needs: set-context
     steps:
-    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+    - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       if: needs.set-context.outputs.checkout-ref == 'pr'
       with:
         persist-credentials: false
-    - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+    - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       if: needs.set-context.outputs.checkout-ref != 'pr'
       with:
         ref: ${{ needs.set-context.outputs.checkout-ref }}
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 982ee76be3..9ad0cd0417 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -12,7 +12,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
       - uses: ruby/setup-ruby@d5126b9b3579e429dd52e51e68624dda2e05be25 # v1.267.0
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 92aa0d7be5..b017daef7a 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -12,7 +12,7 @@ jobs:
     name: Swift
     runs-on: ubuntu-24.04 # "Noble Numbat"
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
       - uses: ./.github/actions/bazel-linux-build
@@ -25,7 +25,7 @@ jobs:
     name: Markdown
     runs-on: ubuntu-slim
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
       - name: Lint
@@ -39,7 +39,7 @@ jobs:
     name: Actions
     runs-on: ubuntu-24.04
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
       - name: Register problem matcher
diff --git a/.github/workflows/plugins-sync.yml b/.github/workflows/plugins-sync.yml
index 691ff412c7..aa3b0a9f2f 100644
--- a/.github/workflows/plugins-sync.yml
+++ b/.github/workflows/plugins-sync.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-slim
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
       - name: Run file sync
diff --git a/.github/workflows/post-release.yml b/.github/workflows/post-release.yml
index 0658bbe149..ccb5077445 100644
--- a/.github/workflows/post-release.yml
+++ b/.github/workflows/post-release.yml
@@ -21,7 +21,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: main
           token: ${{ secrets[format('PERSONAL_GITHUB_TOKEN_{0}', needs.setup-credentials.outputs.author_uppercase)] }}
@@ -48,7 +48,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: ${{ github.event.release.tag_name }}
           persist-credentials: false
@@ -66,7 +66,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: ${{ github.event.release.tag_name }}
           persist-credentials: false
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 95d18e14e8..1ce6ff26d9 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -35,7 +35,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: true
       - name: Checkout or create release branch
@@ -72,7 +72,7 @@ jobs:
       DEVELOPER_DIR: /Applications/Xcode_15.0.1.app # Supports iOS 17.0 simulator selected by CocoaPods.
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
       - name: Set up Ruby and Bundler
@@ -104,7 +104,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: ${{ env.RELEASE_BRANCH }}
           persist-credentials: false
@@ -139,7 +139,7 @@ jobs:
     env:
       BINARY_PATH: .build/${{ matrix.swift_sdk }}/release/swiftlint
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: ${{ env.RELEASE_BRANCH }}
           persist-credentials: false
@@ -188,7 +188,7 @@ jobs:
     permissions:
       contents: read
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: ${{ env.RELEASE_BRANCH }}
           persist-credentials: false
@@ -218,7 +218,7 @@ jobs:
       actions: read
       contents: write
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           ref: ${{ env.RELEASE_BRANCH }}
           persist-credentials: true
diff --git a/.github/workflows/stale-issues.yml b/.github/workflows/stale-issues.yml
index f38d6148ea..add3590d80 100644
--- a/.github/workflows/stale-issues.yml
+++ b/.github/workflows/stale-issues.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: Checkout repository
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
       - name: Mark or close stale issues
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 533c3e0d22..54cee8db4d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-24.04
     container: swift:6.2-noble
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
       - name: Get Swift version
@@ -48,7 +48,7 @@ jobs:
     env:
       DEVELOPER_DIR: /Applications/Xcode_${{ matrix.xcode }}.app
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
       - uses: actions/cache@0057852bfaa89a56745cba8c7296529d2fc39830 # v4.3.0