Add Go 1.21 to GitLab and Gitaly images (!707) · Merge requests · GitLab.org / gitlab-build-images · GitLab

What does this MR do and why?

This is needed to begin testing with Go 1.21.

Checklist

(If applicable) Add patches if required for upgrading Ruby version in https://gitlab.com/gitlab-org/gitlab-build-images/-/tree/master/patches/ruby.

Edited Aug 09, 2023 by Stan Hu