Bump hiredis-client from 0.19.0 to 0.22.2

Bumps [hiredis-client](https://github.com/redis-rb/redis-client) from 0.19.0 to 0.22.2.
- [Changelog](https://github.com/redis-rb/redis-client/blob/master/CHANGELOG.md)
- [Commits](redis-rb/redis-client@v0.19.0...v0.22.2)

---
updated-dependencies:
- dependency-name: hiredis-client
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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