[SECURITY] - Upgrade Protobuf to Remove Many Vulns

[biodrone]

Old protobuf implementation is causing security flags more and more because it's deprecated officially now. Should be upgrading to https://pkg.go.dev/google.golang.org/protobuf

Blog post here although no hint of a migration guide (guess we'll come up with that ourselves): https://go.dev/blog/protobuf-apiv2