Use .sh instead .php for drone.ylm

check_php.sh instead of check_php.php

Author: jaapmarcus

.drone.yml

@@ -69,7 +69,7 @@ steps:
   - bats ./test/test.bats
 - name: php-test
   commands: 
-  - ./test/check_php.php
+  - ./test/check_php.sh
 
 trigger:
   event: [ pull_request ]