Correct issue link in MinimumRequirements.md

The link to the issue 28334 was generated in the following form: "https://github.com/golang/go/issues/28334)". Clicking on this link redirects to the page "https://github.com/golang/go/issues/created_by/28334)" instead of "https://github.com/golang/go/issues/28334"

Change-Id: I80d9272cbd30e49eb10680f025991b16591a25a8
GitHub-Last-Rev: 36d7a6ccf24f751f843eb82fe68d9d9cb84cfcc5
GitHub-Pull-Request: golang/wiki#69
Reviewed-on: https://go-review.googlesource.com/c/wiki/+/704995
Reviewed-by: t hepudds <thepudds1460@gmail.com>