message: Make `forked-to`'s cache case-insensitive
diff: @@ -12,7 +12,7 @@ import {isForkedRepo} from '../libs/page-detect';
  import {getRepoURL, getUsername, getForkedRepo} from '../libs/utils';
  const getForkSourceRepo = (): string => getForkedRepo() ?? getRepoURL();
  -const getCacheKey = (): string => `forked-to:${getUsername()}@${getForkSourceRepo()}`;
  +const getCacheKey = (): string => `forked-to:${getUsername()}@${getForkSourceRepo().toLowerCase()}`;
  const updateCache = cache.function(async (): Promise<string[] | undefined> => {
  const document = await fetchDom(`/${getForkSourceRepo()}/fork?fragment=1`);
  