Gitea update to 1.8 breaking config change

[Jan Beich]

Stefan Bethke <stb at lassitu.de> writes:

> For those of you using Gitea a quick heads-up:
[...]

The proper place to document breaking changes is UPDATING file.
ports@ list has low signal-to-noise ratio but high traffic, so your
heads-up maybe forgotten before the next /quarterly branches.

https://www.freebsd.org/doc/en/books/porters-handbook/moved-and-updating-files.html