setup correct php version

Author: stefanak-michal

.github/workflows/unit-test.yml

@@ -18,13 +18,22 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+
+      # Setup the correct PHP version globally
+      - name: Set up PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+
       - name: Cache Composer dependencies
         uses: actions/cache@v4
         with:
           path: /tmp/composer-cache
           key: ${{ runner.os }}-${{ hashFiles('**/composer.lock') }}
+
       - name: Install dependencies
         run: composer install
+        
       - uses: php-actions/phpunit@v4
         with:
           configuration: phpunit.xml.dist