message: Fix `repo-age` selector
diff: @@ -33,7 +33,7 @@ const getFirstCommitDate = cache.function(async (): Promise<string | undefined>
  const relativeTime = await fetchDom(
  `${getRepoURL()}/commits?after=${commitSha}+${commitsCount - 2}`,
  - 'ol:last-child > li.commits-list-item relative-time'
  + '.commit-meta relative-time'
  );
  return relativeTime!.attributes.datetime.value;
  