Bump redis from 4.2.5 to 4.3.1
Bump redis from 4.2.5 to 4.3.1

Bumps [redis](https://github.com/redis/redis-rb) from 4.2.5 to 4.3.1.
- [Release notes](https://github.com/redis/redis-rb/releases)
- [Changelog](https://github.com/redis/redis-rb/blob/master/CHANGELOG.md)
- [Commits](https://github.com/redis/redis-rb/compare/v4.2.5...v4.3.1)
monotek/zammad,monotek/zammad,monotek/zammad,zammad/zammad,zammad/zammad,zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad,zammad/zammad,monotek/zammad,zammad/zammad