Move issue from utcp spec to python reference implementation. @Raezil original issue: " add grpc gnmi operations Just like in those issues https://github.com/universal-tool-calling-protocol/go-utcp/issues?q=is%3Aissue%20state%3Aclosed https://github.com/universal-tool-calling-protocol/go-utcp/issues/124 https://github.com/universal-tool-calling-protocol/go-utcp/issues/127 "