Update man.sr.ht.post-upgrade

Also moves alembic dependency to py3-srht

Update meta.sr.ht.post-upgrade

Update meta.sr.ht for prometheus support

Add py3-prometheus-client to meta.sr.ht deps

Add logs to init files

Remove default alembic config

It's broken anyway

It's fi you stupid dumbass

Skip post-upgrade if no config present

Do not install example config with meta.sr.ht

Rename meta.sr.ht init script

Update meta.sr.ht to latest version

Package meta.sr.ht