plugins/Makefile: make cln-grpc depend on ALL THE THINGS.

```
error[E0277]: the trait bound `cln_rpc::model::requests::AskrenereserveRequest: From<pb::AskrenereserveRequest>` is not satisfied
    --> cln-grpc/src/server.rs:3994:56
     |
3994 |         let req: requests::AskrenereserveRequest = req.into();
     |                                                        ^^^^ the trait `From<pb::AskrenereserveRequest>` is not implemented for `cln_rpc::model::requests::AskrenereserveRequest`, which is required by `pb::AskrenereserveRequest: Into<_>`
     |
     = note: required for `pb::AskrenereserveRequest` to implement `Into<cln_rpc::model::requests::AskrenereserveRequest>`

error[E0277]: the trait bound `cln_rpc::model::requests::AskreneageRequest: From<pb::AskreneageRequest>` is not satisfied
    --> cln-grpc/src/server.rs:4026:52
     |
4026 |         let req: requests::AskreneageRequest = req.into();
     |                                                    ^^^^ the trait `From<pb::AskreneageRequest>` is not implemented for `cln_rpc::model::requests::AskreneageRequest`, which is required by `pb::AskreneageRequest: Into<_>`
     |
     = note: required for `pb::AskreneageRequest` to implement `Into<cln_rpc::model::requests::AskreneageRequest>`

error[E0277]: the trait bound `cln_rpc::model::requests::GetroutesRequest: From<pb::GetroutesRequest>` is not satisfied
    --> cln-grpc/src/server.rs:4058:51
     |
4058 |         let req: requests::GetroutesRequest = req.into();
     |                                                   ^^^^ the trait `From<pb::GetroutesRequest>` is not implemented for `cln_rpc::model::requests::GetroutesRequest`, which is required by `pb::GetroutesRequest: Into<_>`
     |
     = note: required for `pb::GetroutesRequest` to implement `Into<cln_rpc::model::requests::GetroutesRequest>`

error[E0277]: the trait bound `cln_rpc::model::requests::AskrenedisablenodeRequest: From<pb::AskrenedisablenodeRequest>` is not satisfied
    --> cln-grpc/src/server.rs:4090:60
     |
4090 |         let req: requests::AskrenedisablenodeRequest = req.into();
     |                                                            ^^^^ the trait `From<pb::AskrenedisablenodeRequest>` is not implemented for `cln_rpc::model::requests::AskrenedisablenodeRequest`, which is required by `pb::AskrenedisablenodeRequest: Into<_>`
     |
     = note: required for `pb::AskrenedisablenodeRequest` to implement `Into<cln_rpc::model::requests::AskrenedisablenodeRequest>`

error[E0277]: the trait bound `cln_rpc::model::requests::AskreneinformchannelRequest: From<pb::AskreneinformchannelRequest>` is not satisfied
    --> cln-grpc/src/server.rs:4122:62
     |
4122 |         let req: requests::AskreneinformchannelRequest = req.into();
     |                                                              ^^^^ the trait `From<pb::AskreneinformchannelRequest>` is not implemented for `cln_rpc::model::requests::AskreneinformchannelRequest`, which is required by `pb::AskreneinformchannelRequest: Into<_>`
     |
     = note: required for `pb::AskreneinformchannelRequest` to implement `Into<cln_rpc::model::requests::AskreneinformchannelRequest>`

error[E0277]: the trait bound `cln_rpc::model::requests::AskrenecreatechannelRequest: From<pb::AskrenecreatechannelRequest>` is not satisfied
    --> cln-grpc/src/server.rs:4154:62
     |
4154 |         let req: requests::AskrenecreatechannelRequest = req.into();
     |                                                              ^^^^ the trait `From<pb::AskrenecreatechannelRequest>` is not implemented for `cln_rpc::model::requests::AskrenecreatechannelRequest`, which is required by `pb::AskrenecreatechannelRequest: Into<_>`
     |
     = note: required for `pb::AskrenecreatechannelRequest` to implement `Into<cln_rpc::model::requests::AskrenecreatechannelRequest>`

error[E0277]: the trait bound `cln_rpc::model::requests::AskreneupdatechannelRequest: From<pb::AskreneupdatechannelRequest>` is not satisfied
    --> cln-grpc/src/server.rs:4186:62
     |
4186 |         let req: requests::AskreneupdatechannelRequest = req.into();
     |                                                              ^^^^ the trait `From<pb::AskreneupdatechannelRequest>` is not implemented for `cln_rpc::model::requests::AskreneupdatechannelRequest`, which is required by `pb::AskreneupdatechannelRequest: Into<_>`
     |
     = note: required for `pb::AskreneupdatechannelRequest` to implement `Into<cln_rpc::model::requests::AskreneupdatechannelRequest>`

error[E0277]: the trait bound `cln_rpc::model::requests::AskrenebiaschannelRequest: From<pb::AskrenebiaschannelRequest>` is not satisfied
    --> cln-grpc/src/server.rs:4218:60
     |
4218 |         let req: requests::AskrenebiaschannelRequest = req.into();
     |                                                            ^^^^ the trait `From<pb::AskrenebiaschannelRequest>` is not implemented for `cln_rpc::model::requests::AskrenebiaschannelRequest`, which is required by `pb::AskrenebiaschannelRequest: Into<_>`
     |
     = note: required for `pb::AskrenebiaschannelRequest` to implement `Into<cln_rpc::model::requests::AskrenebiaschannelRequest>`

error[E0277]: the trait bound `cln_rpc::model::requests::AskrenelistreservationsRequest: From<pb::AskrenelistreservationsRequest>` is not satisfied
    --> cln-grpc/src/server.rs:4250:65
     |
4250 |         let req: requests::AskrenelistreservationsRequest = req.into();
     |                                                                 ^^^^ the trait `From<pb::AskrenelistreservationsRequest>` is not implemented for `cln_rpc::model::requests::AskrenelistreservationsRequest`, which is required by `pb::AskrenelistreservationsRequest: Into<_>`
     |
     = note: required for `pb::AskrenelistreservationsRequest` to implement `Into<cln_rpc::model::requests::AskrenelistreservationsRequest>`

error[E0277]: the trait bound `cln_rpc::model::requests::InjectpaymentonionRequest: From<pb::InjectpaymentonionRequest>` is not satisfied
    --> cln-grpc/src/server.rs:4282:60
     |
4282 |         let req: requests::InjectpaymentonionRequest = req.into();
     |                                                            ^^^^ the trait `From<pb::InjectpaymentonionRequest>` is not implemented for `cln_rpc::model::requests::InjectpaymentonionRequest`, which is required by `pb::InjectpaymentonionRequest: Into<_>`
     |
     = note: required for `pb::InjectpaymentonionRequest` to implement `Into<cln_rpc::model::requests::InjectpaymentonionRequest>`

error[E0277]: the trait bound `cln_rpc::model::requests::XpayRequest: From<pb::XpayRequest>` is not satisfied
    --> cln-grpc/src/server.rs:4314:46
     |
4314 |         let req: requests::XpayRequest = req.into();
     |                                              ^^^^ the trait `From<pb::XpayRequest>` is not implemented for `cln_rpc::model::requests::XpayRequest`, which is required by `pb::XpayRequest: Into<_>`
     |
     = note: required for `pb::XpayRequest` to implement `Into<cln_rpc::model::requests::XpayRequest>`
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

Author: rustyrussell

plugins/Makefile

@@ -296,7 +296,7 @@ CLN_PLUGIN_EXAMPLES := \
 CLN_PLUGIN_SRC = $(shell find plugins/src -name "*.rs")
 CLN_GRPC_PLUGIN_SRC = $(shell find plugins/grpc-plugin/src -name "*.rs")
 
-target/${RUST_PROFILE}/cln-grpc: ${CLN_PLUGIN_SRC} ${CLN_GRPC_PLUGIN_SRC} $(MSGGEN_GENALL)
+target/${RUST_PROFILE}/cln-grpc: ${CLN_PLUGIN_SRC} ${CLN_GRPC_PLUGIN_SRC} $(MSGGEN_GENALL) $(MSGGEN_GEN_ALL)
 	cargo build ${CARGO_OPTS} --bin cln-grpc
 
 ifneq ($(RUST),0)