build(deps): bump flask-babel from 3.1.0 to 4.0.0

Bumps [flask-babel](https://github.com/python-babel/flask-babel) from 3.1.0 to 4.0.0.
- [Release notes](https://github.com/python-babel/flask-babel/releases)
- [Changelog](https://github.com/python-babel/flask-babel/blob/master/CHANGELOG)
- [Commits](python-babel/flask-babel@v3.1.0...v4.0.0)

---
updated-dependencies:
- dependency-name: flask-babel
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements.txt

@@ -1,7 +1,7 @@
 Babel==2.12.1
 configobj==5.0.8
 Flask==2.3.2
-Flask-Babel==3.1.0
+Flask-Babel==4.0.0
 furo==2023.9.10
 GPUtil==1.4.0
 IPy==1.01