Bump tldextract from 2.2.0 to 2.2.1 in /backend/uclapi
Bump tldextract from 2.2.0 to 2.2.1 in /backend/uclapi

Bumps [tldextract](https://github.com/john-kurkowski/tldextract) from 2.2.0 to 2.2.1.
- [Release notes](https://github.com/john-kurkowski/tldextract/releases)
- [Changelog](https://github.com/john-kurkowski/tldextract/blob/master/CHANGELOG.md)
- [Commits](https://github.com/john-kurkowski/tldextract/compare/2.2.0...2.2.1)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
uclapi/uclapi,uclapi/uclapi,uclapi/uclapi,uclapi/uclapi