Merge pull request #268 from laminas/renovate/actions-checkout-6.x

Update actions/checkout action to v6

Author: gsteel

.github/workflows/continuous-integration.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5.0.1
+      - uses: actions/checkout@v6.0.0
       - uses: shivammathur/setup-php@2.35.5
 
         with: