Change composer path in php.yml workflow

Updated composer path in PHP workflow configuration.

Author: Potherca

.github/workflows/php.yml

@@ -79,7 +79,7 @@ jobs:
         - ./solid/:/var/www/html/apps/solid/
         - ./.config/:/var/www/html/apps/.config
         # Mount the PHP composer executable into the container.
-        - /usr/local/bin/composer:/usr/local/bin/composer
+        - /usr/bin/composer:/usr/bin/composer
     strategy:
       fail-fast: false
       matrix: