Replace Redis with Valkey

[Samze]

Switch Redis to Valkey

Fixes #427

Tasks:

• [x] Need someone with correct permissions to upload the valkey blob

Once merged:

• [x] Open a corresponding PR to cf-deployment https://github.com/Samze/cf-deployment/commit/c11377c02bbb9f1a5ea9b32a327affbb289c51dd

On the cloud_controller_ng vm:

/var/vcap/packages/valkey/valkey-cli -s /var/vcap/data/valkey/valkey.sock

valkey /var/vcap/data/valkey/valkey.sock> keys *
1) "metrics:cc.requests.outstanding.gauge"

• [x] I have viewed signed and have submitted the Contributor License Agreement

• [x] I have made this pull request to the develop branch

• [ ] I have run CF Acceptance Tests on bosh lite

[philippthun]

@Samze - I've uploaded the blob using our CI: https://concourse.app-runtime-interfaces.ci.cloudfoundry.org/teams/capi-team/pipelines/capi/jobs/bump-valkey-blob/builds/1