Merge pull request #537 from vuvanhieu143/wip930095

Update CI for M5.0

Author: mkassaei

.github/workflows/moodle-plugin-ci.yml

@@ -8,7 +8,7 @@ jobs:
 
     services:
       postgres:
-        image: postgres:14
+        image: postgres:15
         env:
           POSTGRES_USER: 'postgres'
           POSTGRES_HOST_AUTH_METHOD: 'trust'