Minor tweaks to build.yml

Fix pkgkit build -r/-u inconsistency

Move build.yml/submit-builds to top level

Add pkgkit helper binary

Update submit-builds

Add submit-builds script

Add lists.sr.ht & its dependencies

Add py3-scmsrht to git.sr.ht dependencies

Add py3-scmsrht package, update py3-srht

Fix gitsrht-migrate in git.sr.ht post-upgrade

Fix typo in man.sr.ht package

Update man.sr.ht.post-upgrade

Also moves alembic dependency to py3-srht

Update todo.sr.ht.post-upgrade

Update meta.sr.ht.post-upgrade

Update git.sr.ht.post-upgrade

Add py3-misaka to core.sr.ht dependencies

Add libffi-dev to py-misaka makedeps

Fix misaka in buildall.yml

Add py-misaka

Fix EXTRA_ARGS in builds.sr.ht-worker service