chore(ci): update github actions.

Author: adrorocker

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
         php-versions: ['8.1', '8.2', '8.3']
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -30,7 +30,7 @@ jobs:
         uses: php-actions/composer@v6
 
       - name: PHPUnit Tests
-        uses: php-actions/phpunit@v3
+        uses: php-actions/phpunit@v4
         env:
           XDEBUG_MODE: coverage
         with: