Bump @types/redis from 2.8.20 to 2.8.21
Bump @types/redis from 2.8.20 to 2.8.21

Bumps [@types/redis](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/redis) from 2.8.20 to 2.8.21.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/redis)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>

npenin/domojs,npenin/domojs,npenin/domojs