py3-*: bump pkgrel for python rebuild

py3-scmsrht: remove nodejs-npm dependency

This is not required, and in any case was renamed by Alpine.

py3-scmsrht: upgrade to 0.22.9

sr.ht/py3-scmsrht: upgrade to 0.18.1

py3-srht, py3-scmsrht: update checksums

Update py3-srht & py3-scmsrht

Add builds.sr.ht as scm.sr.ht dependency

Fix archive URL for scm.sr.ht package

Add py3-scmsrht package, update py3-srht