Use golang/protobuf instead of gogo/protobuf

[ebroberson]

• [X] Read the Contributing document.

Summary

gogo/protobuf has been deprecated for years. We should be using up-to-date protobufs provided by google.golang.org/protobuf. In order to fit our use cases, a protobuf plugin (protoc-gen-go-bbs) has been created to catch any customizations we want to add.

Backward Compatibility

Breaking Change? No