py3-*: bump pkgrel and update upstream versions

Update all non-sr.ht Python packages

py3-weasyprint: upgrade to 52.5

py3-weasyprint: python 3.9 fixes

py3-weasyprint: upgrade to 52.4

py3-weasyprint: bump pkgrel

py3-weasyprint: upgrade to 52.2

py3-weasyprint: upgrade to 52.1

py3-weasyprint: upgrade to v52

py3-weasyprint: bump pkgrel

sr.ht/py3-weasyprint: upgrade to v51

sr.ht/py3-weasyprint: upgrade to 50

py3-weasyprint: update to v48

py3-weasyprint: import from testing