update github action

.github/workflows/php-cs-fixer.yml

@@ -7,13 +7,17 @@ jobs:
     name: PHP-CS-Fixer
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - name: PHP-CS-Fixer
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+            ref: ${{ github.head_ref }}
+
+      - name: Run PHP-CS-Fixer
         uses: docker://oskarstark/php-cs-fixer-ga
         with:
           args: --config=.php-cs-fixer.dist --allow-risky=yes
 
       - name: Commit changes
-        uses: stefanzweifel/git-auto-commit-action@v4
+        uses: stefanzweifel/git-auto-commit-action@v5
         with:
-          commit_message: Fix styling
+          commit_message: Fix styling