Fix for build failures:

- Update to correct version of PHP (7.4)

Author: stymiee

.github/workflows/php.yml

@@ -17,7 +17,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: shivammathur/setup-php@v2
       with:
-        php-version: '8.4'
+        php-version: '7.4'
 
     - name: Validate composer.json and composer.lock
       run: composer validate