chore(deps): Bump @nextcloud/auth from 2.1.0 to 2.2.1

Bumps [@nextcloud/auth](https://github.com/nextcloud/nextcloud-auth) from 2.1.0 to 2.2.1.
- [Release notes](https://github.com/nextcloud/nextcloud-auth/releases)
- [Changelog](https://github.com/nextcloud-libraries/nextcloud-auth/blob/master/CHANGELOG.md)
- [Commits](nextcloud-libraries/nextcloud-auth@v2.1.0...v2.2.1)

---
updated-dependencies:
- dependency-name: "@nextcloud/auth"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]