grpc: `Getinfo` does not contain `our_features`

[JssDWt]

Issue and Steps to Reproduce

The grpc GetinfoResponse message does not contain the our_features field. There is a message GetinfoOur_features defined, but it's not included in the GetinfoResponse message.

getinfo output

(does not contain our_features)

[JssDWt]

#5801 would fix this

[JssDWt]

This is fixed. Closing.