Update php-test.yml

Author: SMillerDev

.github/workflows/php-test.yml

@@ -57,7 +57,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.1'
+          php-version: '7.4'
           tools: cs2pr
 
       - name: Install dependencies