update dockerfile to include required protoc libraries

ee/docker/ee.Dockerfile

@@ -12,8 +12,11 @@ COPY /cmd ./cmd
 COPY /internal ./internal
 COPY /api ./api
 COPY /ee ./ee
-COPY /provisioner ./provisioner
 COPY /scripts ./scripts
+COPY /provisioner ./provisioner
+
+RUN go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.26
+RUN go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@v1.1
 
 RUN --mount=type=cache,target=$GOPATH/pkg/mod \
     go mod download