Bumps [yarn](https://github.com/yarnpkg/yarn) from 1.21.1 to 1.22.0.
- [Release notes](https://github.com/yarnpkg/yarn/releases)
- [Changelog](https://github.com/yarnpkg/yarn/blob/master/CHANGELOG.md)
- [Commits](https://github.com/yarnpkg/yarn/compare/v1.21.1...v1.22.0)
Signed-off-by: Ndependabot[bot] <support@github.com>