Bump redis from 4.0.0 to 4.0.2

Bumps [redis](https://github.com/redis/redis-py) from 4.0.0 to 4.0.2.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](redis/redis-py@v4.0.0...v4.0.2)

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

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

requirements.txt

@@ -27,7 +27,7 @@ pyramid-tm==2.4
 pyrsistent==0.18.0
 python-dateutil==2.8.2
 python-rapidjson==1.5
-redis==4.0.0
+redis==4.0.2
 repoze.sendmail==4.4.1
 requests==2.26.0
 six==1.16.0