Bump validators from 0.20.0 to 0.34.0

Bumps [validators](https://github.com/python-validators/validators) from 0.20.0 to 0.34.0.
- [Release notes](https://github.com/python-validators/validators/releases)
- [Changelog](https://github.com/python-validators/validators/blob/master/CHANGES.md)
- [Commits](python-validators/validators@0.20.0...0.34.0)

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

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

requirements.txt

@@ -2,4 +2,4 @@ mkdocs==1.5.3
 pybtex==0.24.0
 pypandoc==1.13
 requests==2.31.0
-validators==0.20.0
+validators==0.34.0