cargo: bump ureq from 2.10.1 to 2.12.1

Bumps [ureq](https://github.com/algesten/ureq) from 2.10.1 to 2.12.1.
- [Changelog](https://github.com/algesten/ureq/blob/main/CHANGELOG.md)
- [Commits](algesten/ureq@2.10.1...2.12.1)

---
updated-dependencies:
- dependency-name: ureq
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>