Retract erroneous go module versions

[rodaine]

From the brief stint of the PGV repository being renamed to protovalidate, the Go module proxy has become a bit confused about this module. We should be able to correct the proxy (and potentially pkg.go.dev documentation) by creating the module directly and retracting all previous versions reported here:

$ curl https://proxy.golang.org/github.com/bufbuild/protovalidate/@v/list
# all the versions retracted in this go.mod patch

The current version reported by the proxy is v0.1.5, so this should work according to the retract documentation.

$ curl https://proxy.golang.org/github.com/bufbuild/protovalidate/@latest 
{"Version":"v0.1.5","Time":"2023-06-01T18:26:24Z","Origin":{"VCS":"git","URL":"https://github.com/bufbuild/protovalidate","Ref":"refs/tags/v0.1.5","Hash":"9c8e723aa8d7d34c72701585e3da2323203d4e85"}}%                              

[akshayjshah]

I think - but am not 100% sure - that the module proxy only re-parses the go.mod file when you cut a new release. Even if you retract all previous versions, you'll still have live docs for the new release. My memories of this are a bit hazy, but I think we need to proactively retract the version we're about to tag and release (I assume that'll be 0.1.6 or 0.2.0).

This system is...not user-friendly.

[rodaine]

Added the next version we'd release for this. Hopefully this does the trick 🤞🏽