Update actions/checkout action to v4

renovate[bot] · web-flow · commit 33664cbc0a9f · 2023-10-19T11:56:59.000Z
diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Validate composer.json and composer.lock
         run: composer validate
