Update mercurial and hg-evolve

Mercurial package is updated with the latest edge upstream to
install mercurial 5.1.2 with py3. Evolve is updated to 9.2.1
and also installs with py3.

lists.sr.ht: remove unidiff dependency

meta.sr.ht/post-upgrade: run core.sr.ht migrations

man.sr.ht/post-upgrade: run core.sr.ht migrations

builds.sr.ht: add post-upgrade

py3-pgpy: upgrade to 0.5.2

Upgrade mercurial to 5.1

This mercurial patch release contains the fix for musl libc so we
can drop the hot patch here.

Make abuild-apk shim executable

Disable progress meter for abuild-apk

prometheus: upgrade to 2.11.1

prometheus: upgrade to 2.11.0

submit-builds: add note with list of packages

alertmanager: update to 0.18.0

py3-stripe: upgrade to 2.32.1

py3-weasyprint: update to v48

py3-emailthreads: upgrade to 0.1.1

Add musl libc hotfix to mercurial, bump mercurial to 5.0

py3-srht: it's actually called py3-soupsieve

Add py3-soupselect to py3-srht dependencies

py3-soupsieve: new APKBUILD