[6.x] Only run lint workflow if php files have been changed (#13734)

Author: jasonvarga

.github/workflows/code-style-lint.yml

@@ -11,7 +11,15 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
+      - name: Get changed files
+        id: changed-files
+        uses: tj-actions/changed-files@v46
+        with:
+          files: |
+            **.php
+
       - name: Check PHP code style issues
+        if: steps.changed-files.outputs.any_modified == 'true'
         uses: aglipanci/laravel-pint-action@v2
         with:
           testMode: true