Updated GA files to use latest action releases

Author: alexmerlin

.github/workflows/run-tests.yml

@@ -20,7 +20,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install PHP
         uses: shivammathur/setup-php@v2
@@ -33,7 +33,7 @@ jobs:
         run: echo "COMPOSER_CACHE_DIR=$(composer config cache-dir)" >> $GITHUB_ENV
 
       - name: Cache dependencies installed with composer
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ env.COMPOSER_CACHE_DIR }}
           key: php${{ matrix.php }}-composer-${{ hashFiles('**/composer.json') }}