Update actions/checkout action to v6 (#630)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/add-or-validate-labels.yaml

@@ -20,7 +20,7 @@ jobs:
     outputs:
       VERSION_INSTRUCTION: ${{ steps.validate.outputs.VERSION_INSTRUCTION }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Validate that version bump labels are on the PR
         id: validate
         uses: ./.github/actions/validate-version-labels

.github/workflows/main.yaml

@@ -13,23 +13,23 @@ jobs:
     concurrency: build-${{ github.ref}}
     if: ${{ !startsWith(github.head_ref, 'version-bump') }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: ./.github/actions/setup
       - run: yarn build
   lint:
     runs-on: ubuntu-latest
     concurrency: lint-${{ github.ref }}
     if: ${{ !startsWith(github.head_ref, 'version-bump') }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: ./.github/actions/setup
       - run: yarn lint
   test:
     concurrency: test-${{ github.ref }}
     runs-on: ubuntu-latest
     if: ${{ !startsWith(github.head_ref, 'version-bump') }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: ./.github/actions/setup
       - run: |
           # Check for test.only() in test files
@@ -55,7 +55,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ !startsWith(github.head_ref, 'version-bump') }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: ./.github/actions/setup
       - uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
@@ -78,7 +78,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ !startsWith(github.head_ref, 'version-bump') }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: ./.github/actions/setup
       - name: Generate new adapter, build, run the tests
         run: |

.github/workflows/open-version-bump-pr.yaml

@@ -26,7 +26,7 @@ jobs:
     steps:
       - id: set-job-name
         run: echo "JOB_NAME=${{ github.job }}" >> $GITHUB_OUTPUT
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - id: validate
         name: Validate that version bump labels are on the PR
         uses: ./.github/actions/validate-version-labels
@@ -46,7 +46,7 @@ jobs:
     steps:
       - id: set-job-name
         run: echo "JOB_NAME=${{ github.job }}" >> $GITHUB_OUTPUT
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           ref: ${{ github.base_ref || github.ref }} # Explicit ref required to push from PR because of github internals
       - uses: ./.github/actions/set-git-credentials

.github/workflows/pinned-dependencies.yaml

@@ -7,7 +7,7 @@ jobs:
   check-dependencies:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Extract all versions from package.json
         uses: sergeysova/jq-action@a3f0d4ff59cc1dddf023fc0b325dd75b10deec58 # v2.3.0
         id: versions

.github/workflows/publish.yaml

@@ -22,7 +22,7 @@ jobs:
     outputs:
       VERSION_TAG: ${{ steps.get-version-tag.outputs.VERSION_TAG }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - id: version-check
         run: |
           PACKAGE_VERSION=$(cat package.json \