```release-note:breaking-change
config: Add new `ports.grpc_tls` configuration option.
Introduce a new port to better separate TLS config from the existing `ports.grpc` config.
The new `ports.grpc_tls` only supports TLS encrypted communication.
The existing `ports.grpc` currently supports both plain-text and tls communication, but tls support will be removed in a future release.
```