Bump cloud_controller_ng

Dependency updates in cloud_controller_ng:

- build(deps-dev): bump mock_redis from 0.48.1 to 0.49.0
    PR: cloudfoundry/cloud_controller_ng#4126
    Author: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

- build(deps): bump newrelic_rpm from 9.16.0 to 9.16.1
    PR: cloudfoundry/cloud_controller_ng#4125
    Author: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>