templates: update bugs navbar entry to GitLab
Flyspray is no more and all projects are now on our own GitLab instance.
Due to an influx of spam, we have had to temporarily disable account registrations. Please write an email to accountsupport@archlinux.org, with your desired username, if you want to get access. Sorry for the inconvenience.
Flyspray is no more and all projects are now on our own GitLab instance.