pkgkit: generate new abuild keys if necessary

Use tab

py3-srht: add mistletoe to dependencies

py3-mistletoe: new aport

drawterm-sourcehut: upgrade to 20200708

py3-emailthreads: upgrade to 0.1.3

build.yml: update repo path

legacy.sr.ht-shim: bump pkgrel

py3-tinycss2: disable check

hg-evolve: bump pkgrel

Revert "prometheus-node-exporter: upgrade to 1.0.0"

This reverts commit 80dce538fe284a867f72196a8b39e798934ec093.

This requires go 1.14; only 1.13 made it into Alpine 3.12.

build.yml: Alpine 1.12

sachet: upgrade to 0.2.3

qemu-minimal-static: bump pkgrel

py3-zxcvbn: bump pkgrel

py3-zipp: drop package

This is in Alpine upstream now

py3-wrapt: drop package

This is in Alpine upstream now

py3-wheel: drop package

This is in Alpine upstream now

py3-weasyprint: bump pkgrel

py3-vine: bump pkgrel