Update python-validators to version 0.28.1 / rev 22 via SR 1170193
https://build.opensuse.org/request/show/1170193
by user mia + anag+factory
- Update to 0.28.1
* fix: reduce memory footprint when loading TLDs
gh#kvesteri/validators#362
* fix: rfc cases in the domain validator
gh#kvesteri/validators#367
* chore: documentation maintenance
gh#kvesteri/validators#368