Bump yoke from 0.8.0 to 0.8.1

Bumps [yoke](https://github.com/unicode-org/icu4x) from 0.8.0 to 0.8.1.
- [Release notes](https://github.com/unicode-org/icu4x/releases)
- [Changelog](https://github.com/unicode-org/icu4x/blob/main/CHANGELOG.md)
- [Commits](https://github.com/unicode-org/icu4x/commits)

---
updated-dependencies:
- dependency-name: yoke
  dependency-version: 0.8.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]