pin version

Signed-off-by: Alex Meijer <ameijer@kubecost.com>

.github/workflows/build-test.yaml

@@ -34,7 +34,7 @@ jobs:
 
       - name: install protobuf-go
         run: |
-          go install github.com/golang/protobuf/protoc-gen-go
+          go install github.com/golang/protobuf/protoc-gen-go@1.33.0
           go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
           which protoc-gen-go-grpc
       -