Añadido PHP 8.4 a tests

- Actualizado workflow de tests

.github/workflows/tests.yml

@@ -13,17 +13,17 @@ jobs:
     continue-on-error: ${{ matrix.experimental || false }}
     strategy:
       matrix:
-        php-version: ['5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1']
+        php-version: ['5.6', '7.0', '7.1', '7.2', '7.3', '7.4', '8.0', '8.1', '8.2']
         include:
-          - php-version: '8.2'
+          - php-version: '8.3'
             test-ws: true
             send-coverage: true
-          - php-version: '8.3'
+          - php-version: '8.4'
             experimental: true
     steps:
       # Download code from repository
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Setup PHP and Composer
       - name: Setup PHP