build(deps): bump actions/checkout from 5 to 6

.github/workflows/deploy-docs.yaml

@@ -21,7 +21,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v6
         with:

.github/workflows/lint_and_test-wsl.yaml

@@ -15,7 +15,7 @@ jobs:
         os: [ubuntu-20.04]
     steps:
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Run tests
         run: |

.github/workflows/lint_and_test.yaml

@@ -31,7 +31,7 @@ jobs:
             os: macos-latest
     steps:
       - name: Checkout source
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: install dependencies for MacOS
         if: matrix.variant == 'darwin'

.github/workflows/release.yaml

@@ -26,7 +26,7 @@ jobs:
       # the branch was updated. To keep PSR working with the configured release branches,
       # we force a checkout of the desired release branch but at the workflow sha HEAD.
       - name: Setup | Checkout Repository at workflow sha
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           ref: ${{ github.sha }}