message: Use correct v3 API endpoint on GitHub Enterprise
  Fixes
  Closes
diff: @@ -35,7 +35,7 @@ export class RefinedGitHubAPIError extends Error {
  }
  }
  -const api = location.hostname === 'github.com' ? 'https://api.github.com/' : `${location.origin}/api/`;
  +const api = location.hostname === 'github.com' ? 'https://api.github.com/' : `${location.origin}/api/v3/`;
  const cache = new Map();
  function fetch3(query, personalToken) {
  