Bump validators from 0.22.0 to 0.28.1

Bumps [validators](https://github.com/python-validators/validators) from 0.22.0 to 0.28.1.
- [Release notes](https://github.com/python-validators/validators/releases)
- [Changelog](https://github.com/python-validators/validators/blob/master/CHANGES.md)
- [Commits](python-validators/validators@0.22.0...0.28.1)

---
updated-dependencies:
- dependency-name: validators
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]