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.

make/release_flags.mk

@@ -13,7 +13,6 @@ DOCKER_RELEASE_HELPER = docker run \
 
 BUILD_SYSTEM = darwin-amd64 \
 darwin-arm64 \
-dragonfly-amd64 \
 freebsd-386 \
 freebsd-amd64 \
 freebsd-arm \
@@ -28,10 +27,7 @@ linux-mips \
 linux-mipsle \
 linux-mips64 \
 linux-s390x \
-netbsd-386 \
 netbsd-amd64 \
-netbsd-arm64 \
-openbsd-386 \
 openbsd-amd64 \
 windows-386 \
 windows-amd64 \