Add default authentication plugin option

Author: schlessera

.github/workflows/testing.yml

@@ -110,7 +110,7 @@ jobs:
           MYSQL_ROOT_PASSWORD: root
         ports:
           - 3306
-        options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
+        options: --default-authentication-plugin="mysql_native_password" --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
 
     steps:
       - name: Check out source code