Update jh po msgid about license

What does this MR do and why?

Related MR: !913 (merged)

Update jh po msgid about license: start with License|

cc @mtan-gitlab-cn

jh/app/assets/javascripts/admin/subscriptions/show/constants.js

 import { s__ } from '~/locale';
 
 export const LICENSE_MAP = {
-  starter: s__('License|Starter'),
-  premium: s__('License|Premium'),
-  ultimate: s__('License|Ultimate'),
+  starter: s__('JH|License|Starter'),
+  premium: s__('JH|License|Premium'),
+  ultimate: s__('JH|License|Ultimate'),
 };