protovalidate-go changing import path

[dropwhile]

Looks like upstream protovalidate-go is changing the import path with the latest release.

The import path of protovalidate-go has changed! Please update your source code to move the import path from github.com/bufbuild/protovalidate-go to buf.build/go/protovalidate.

ref: https://github.com/bufbuild/protovalidate-go/releases/tag/v0.11.0