⬆️ Update actions/checkout action to v6

Author: renovate[bot]

.github/workflows/ci.yaml

@@ -22,7 +22,7 @@ jobs:
     needs: workflows
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: 🚀 Run add-on information action
         id: information
         uses: frenck/action-addon-information@v1.4.2

.github/workflows/deploy.yaml

@@ -51,7 +51,7 @@ jobs:
       version: ${{ steps.release.outputs.version }}
     steps:
       - name: ⤵️ Check out code from GitHub
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: 🚀 Run add-on information action
         id: information
         uses: frenck/action-addon-information@v1.4.2