usertags: transitional

Please drop the transitional package x11proto-gl-dev (from the source package
xorgproto) after the release of bookworm, it has been released with buster and
bullseye already...


Description: transitional dummy package
Package: x11proto-gl-dev
Version: 2018.4-4
Version: 2020.1-1
Version: 2022.1-1

Thanks for maintaining xorgproto!