Add explicit ingress className

ci_gamma-geosphere-test/values-mapserver.yaml

@@ -11,6 +11,7 @@ database:
   postgresPasswordSecret: "geosphere-postgis-postgresql"
 ingress:
   enabled: true
+  className: nginx
   # annotations:
   #   nginx.ingress.kubernetes.io/ssl-redirect: "false"
   #   ingress.kubernetes.io/ssl-redirect: "true"