access: may-start-trybots and go-approvers

[myitcv]

Whilst I wouldn't class myself a full-time contributor, I have tried to contribute here and there.

With the Github access I suspect my main contribution initially will be to help garden issues (close them where I currently cannot, e.g. #24573, relabel etc)

With the Gerrit access I'd be looking to restart trybots (for example in the CL https://go-review.googlesource.com/c/go/+/103415)

Thanks for considering my request.

[myitcv]

Just for the avoidance of doubt, the "go-approvers" request (in the title) is a reference to the Github access group: https://github.com/golang/go/wiki/GithubAccess#editors

[ianlancetaylor]

CC @andybons @bradfitz

[bradfitz]

SGTM. @andybons, can you add Paul?

[andybons]

Done!

[myitcv]

Thanks @andybons and @bradfitz