Fix postgres workflow

.github/workflows/mysql.yaml

@@ -11,12 +11,13 @@ jobs:
 
     services:
       mysql:
-        image: mysql:5.7
+        image: mysql:latest
         env:
           MYSQL_ALLOW_EMPTY_PASSWORD: yes
           MYSQL_DATABASE: inventree_test_db
           MYSQL_USER: inventree
           MYSQL_PASSWORD: password
+        options: --health-cmd="mysqladmin ping" --health-interval=5s --health-timeout=2s --health-retries=3
         ports:
           - 3306