py3-*: bump pkgrel and update upstream versions

Update all non-sr.ht Python packages

py3-aiosmtpd: upgrade to 1.4.2

py3-aiosmtpd: upgrade to 1.4.0

py3-aiosmtpd: upgrade to 1.3.0

py3-aiosmtpd: upgrade to 1.2.4

py3-aiosmtpd: bump pkgrel

py3-aiosmtpd: upgrade to 1.2.2, patch LHLO

py3-aiosmtpd: bump pkgrel

sr.ht/py3-aiosmtpd: bump pkgrel

Normalize py-* packages