build(deps): bump actions/checkout from 4 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 4 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -14,15 +14,15 @@ jobs:
     name: Go Vet
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: agentanycast/agentanycast
           path: agentanycast-main
           sparse-checkout: proto
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: AgentAnycast/agentanycast-identity
           path: agentanycast-identity
@@ -57,15 +57,15 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: agentanycast/agentanycast
           path: agentanycast-main
           sparse-checkout: proto
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: AgentAnycast/agentanycast-identity
           path: agentanycast-identity
@@ -102,15 +102,15 @@ jobs:
     name: Go Test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: agentanycast/agentanycast
           path: agentanycast-main
           sparse-checkout: proto
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: AgentAnycast/agentanycast-identity
           path: agentanycast-identity
@@ -150,15 +150,15 @@ jobs:
     name: Security Audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: agentanycast/agentanycast
           path: agentanycast-main
           sparse-checkout: proto
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: AgentAnycast/agentanycast-identity
           path: agentanycast-identity
@@ -194,15 +194,15 @@ jobs:
     name: Build Binary (linux-amd64)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: agentanycast/agentanycast
           path: agentanycast-main
           sparse-checkout: proto
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: AgentAnycast/agentanycast-identity
           path: agentanycast-identity

.github/workflows/release.yml

@@ -24,15 +24,15 @@ jobs:
           - os: linux
             arch: arm64
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: agentanycast/agentanycast
           path: agentanycast-main
           sparse-checkout: proto
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: AgentAnycast/agentanycast-identity
           path: agentanycast-identity
@@ -79,15 +79,15 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: agentanycast/agentanycast
           path: agentanycast-main
           sparse-checkout: proto
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           repository: AgentAnycast/agentanycast-identity
           path: agentanycast-identity