fx build fix

.woodpecker/fx.yml

@@ -38,7 +38,8 @@ steps:
     depends_on: [ version ]
     commands:
       - set -eu
-      - apk add --no-cache bash git build-base protobuf protobuf-dev protoc
+      # protoc + headers; protobuf runtime pkg is not needed for codegen
+      - apk add --no-cache bash git build-base protoc protobuf-dev
       - go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
       - go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
       - export PATH="$(go env GOPATH)/bin:$PATH"