Bump hiredis from 3.1.1 to 3.2.1

Bumps [hiredis](https://github.com/redis/hiredis-py) from 3.1.1 to 3.2.1.
- [Release notes](https://github.com/redis/hiredis-py/releases)
- [Changelog](https://github.com/redis/hiredis-py/blob/master/CHANGELOG.md)
- [Commits](redis/hiredis-py@v3.1.1...v3.2.1)

---
updated-dependencies:
- dependency-name: hiredis
  dependency-version: 3.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]