Build: Add PHP 8.4

Author: OndraM

.github/workflows/tests.yaml

@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        php-version: ['8.0', '8.1', '8.2', '8.3']
+        php-version: ['8.0', '8.1', '8.2', '8.3', '8.4']
         dependencies: ['']
         include:
           - { php-version: '8.0', dependencies: '--prefer-lowest --prefer-stable' }
@@ -28,7 +28,6 @@ jobs:
           php-version: ${{ matrix.php-version }}
           extensions: mbstring, intl, zip
           coverage: xdebug
-          tools: composer:v2
 
       - name: Install dependencies
         run: composer update --no-progress ${{ matrix.dependencies }}
@@ -64,7 +63,6 @@ jobs:
           with:
             php-version: '8.3'
             extensions: mbstring, intl
-            tools: composer:v2
 
         - name: Install dependencies
           run: composer update --no-progress