Sync bts_tags defined tag with the list from the BTS

From @gTags in /srv/bugs.debian.org/etc/config on bugs-master.debian.org

See-also: https://wiki.debian.org/SuitesAndReposExtension#bugs.debian.org


Suggested-by: Thorsten Glaser <t.glaser@tarent.de>
Suggested-in: <alpine.DEB.2.21.1908052024040.30575@tglase.lan.tarent.de>