Add successful_active_health_check_uneject_host for active health checks.

[chris530]

Gloo Edge Product

Enterprise

Gloo Edge Version

v1.17.3

Is your feature request related to a problem? Please describe.

Customer is using active health checks. They would like to introduce an option to set successful_active_health_check_uneject_host in edge in envoy via a CRD.

Describe the solution you'd like

Add support for setting or not setting successful_active_health_check_uneject_host

https://github.com/envoyproxy/envoy/blob/main/api/envoy/config/cluster/v3/outlier_detection.proto#L171

Describe alternatives you've considered

Active health checks are not very common, so make sure they were actually using them.

Additional Context

Zendesk https://solo-io.zendesk.com/agent/tickets/5186