[dependency]: bump babel from 2.12.1 to 2.16.0

Bumps [babel](https://github.com/python-babel/babel) from 2.12.1 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](python-babel/babel@v2.12.1...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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -1,6 +1,6 @@
 ablog==0.10.29
 alabaster==0.7.13
-Babel==2.12.1
+Babel==2.16.0
 imagesize==1.4.1
 Jinja2==3.1.5
 MarkupSafe==2.1.3