message: Extend `navigate-pages-with-arrow-keys` to PR commit pages
diff: @@ -7,6 +7,7 @@ const nextPageButtonSelectors = [
  '.paginate-container > .BtnGroup > :last-child', // Commits
  '.paginate-container > .pagination > :last-child', // Releases
  '.js-notifications-list-paginator-buttons > :last-child', // Notifications
  + '.prh-commit > .BtnGroup > :last-child', // PR Commits
  ];
  const previousPageButtonSelectors = [
  @@ -14,6 +15,7 @@ const previousPageButtonSelectors = [
  '.paginate-container > .BtnGroup > :first-child', // Commits
  '.paginate-container > .pagination > :first-child', // Releases
  '.js-notifications-list-paginator-buttons > :first-child', // Notifications
  + '.prh-commit > .BtnGroup > :first-child', // PR Commits
  ];
  function init(): void {
  