Remove builds.sr.ht dependency from builds.sr.ht-images

This allows the worker machine to not have the full builds.sr.ht service
with all its Python dependencies installed.
builds.sr.ht: Add python-ansi2html dependency
paste.sr.ht: add python-yaml dependency
paste.sr.ht: new PKGBUILD
Update package signing key for build.yml
Switch to new PGP key
Add zxcvbn to meta.sr.ht dependencies
Add python-pygit2 to lists.sr.ht deps
Remove python2-zxcvbn
Add setuptools to python-zxcvbn makedeps
python-zxcvbn: new PKGBUILD
Add git.sr.ht-webhooks service
Split out core.sr.ht migrations in install
Use srht-migrate for lists.sr.ht core migrations
Remove orphan -runner service file and fix pkgdesc
Updates per gitsrht-dispatch Go rewrite
Add webhooks service to meta.sr.ht
Add python-celery to python-srht PKGBUILD
Add python-srht to builds.sr.ht makedepends
Update builds.sr.ht PKGBUILD
Next