builds.sr.ht: Only rebuild image weekly

Makefile: Use rm instead of git clean

python-emailthreads: Remove

lists.sr.ht uses go code for this now.

lists.sr.ht: Remove emailthreads dependency

meta.sr.ht: Remove weasyprint dependency

Update sourcehut packages; use minify for CSS

Update sourcehut packages; add pgbouncer dependency

So that when pgbouncer is restarted, there will be no internal server
errors.

Update sourcehut packages

readme: Fix CI status badge

Import peertube

man.sr.ht: Add API

hub.sr.ht: Add API

Add ntfy-alertmanager git package

Update sourcehut packages

builds.sr.ht: Add image rebuild timer

Update sourcehut packages

twitch-bot: Bump version, verify signature

Add twitch-bot package

paste.sr.ht: Drop webhooks service

Paste webhooks were removed in
https://git.sr.ht/~sircmpwn/paste.sr.ht/commit/48e2e8e288ffb4ccae134aa7a7c0171a1c8c1cf1

python-srht: Add tinycss2 dependency

srht uses CSSSanitizer from bleach which depends upon tinycss2.