go.mod+lnrpc+github: point to latest kvdb changes

Use kvdb package v1.4.1. This update also forced the protobuf version to
be bumped which required `make rpc` to be run to update the generated
files. This also required a bump in the github pinned dependencies
config for the grpc and protobuf libs.

lnrpc/peersrpc/peers.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.26.0
+// 	protoc-gen-go v1.27.1
 // 	protoc        v3.6.1
 // source: peersrpc/peers.proto
 
@@ -247,7 +247,7 @@ func (x *UpdateFeatureAction) GetFeatureBit() lnrpc.FeatureBit {
 	if x != nil {
 		return x.FeatureBit
 	}
-	return lnrpc.FeatureBit_DATALOSS_PROTECT_REQ
+	return lnrpc.FeatureBit(0)
 }
 
 type NodeAnnouncementUpdateRequest struct {