[upd] pypi: Bump babel from 2.15.0 to 2.16.0
Bumps [babel](https://github.com/python-babel/babel) from 2.15.0 to 2.16.0.
- [Release notes](https://github.com/python-babel/babel/releases)
- [Changelog](https://github.com/python-babel/babel/blob/master/CHANGES.rst)
- [Commits](https://github.com/python-babel/babel/compare/v2.15.0...v2.16.0)
---
updated-dependencies:
- dependency-name: babel
dependency-type: direct:production
update-type: version-update:semver-minor
...
Signed-off-by: dependabot[bot] <support@github.com>