refactor: Update laravel-pint-action to version 2.3.1

The laravel-pint-action dependency has been updated to version 2.3.1 in the fix-php-code-style-issues.yml workflow file. This update ensures that the latest stable version of the action is being used, which may include bug fixes or new features.

.github/workflows/fix-php-code-style-issues.yml

@@ -21,7 +21,7 @@ jobs:
 
       - name: Fix PHP code style issues
         # https://github.com/aglipanci/laravel-pint-action
-        uses: aglipanci/[email protected]
+        uses: aglipanci/[email protected].1
 
       - name: Commit changes
         # https://github.com/stefanzweifel/git-auto-commit-action