sr.ht/py3-scmsrht: upgrade to 0.18.1

sr.ht/py3-srht: upgrade to 0.57.2

sr.ht/py3-pygithub: add setuptools to makedeps

sr.ht/py3-colour: add py3-wheel makedepend

sr.ht/py3-misaka: add missing dependency

sr.ht/py3-wheel: new aport

sr.ht/py3-cairosvg: re-introduce flake8/isort plugins

sr.ht/py3-cairosvg: drop isort/flake8 plugins

sr.ht/py3-kombu: bump pkgrel

sr.ht/py3-celery: bump pkgrel

sr.ht/py3-case: bump pkgrel

sr.ht/py3-billiard: bump pkgrel

sr.ht/py3-amqp: bump pkgrel

sr.ht/py3-zxcvbn: bump pkgrel

sr.ht/py3-zipp: bump pkgrel

sr.ht/py3-wraped: bump pkgrel

sr.ht/py3-weasyprint: upgrade to 50

sr.ht/py3-vine: bump pkgrel

sr.ht/py3-unidiff: bump pkgrel

sr.ht/py3-tinycss2: bump pkgrel