Update PHP version in workflow

Author: mr-vara

.github/workflows/lint-check-php.yml

@@ -28,7 +28,7 @@ jobs:
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
         with:
-          php-version: '8.3'
+          php-version: '7.3'
           coverage: none
           tools: composer, cs2pr