Bump babel from 2.11.0 to 2.12.1

Bumps [babel](https://github.com/python-babel/babel) from 2.11.0 to 2.12.1.
- [Release notes](https://github.com/python-babel/babel/releases)
- [Changelog](https://github.com/python-babel/babel/blob/master/CHANGES.rst)
- [Commits](python-babel/babel@v2.11.0...v2.12.1)

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

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

Pipfile

@@ -8,7 +8,7 @@ starlette = {extras = ["jinja2"], version = "0.26.0"}
 jinja2 = "3.1.2"
 mangum = "==0.15.0"
 httpx = "0.23.1"
-babel = "==2.11.0"
+babel = "==2.12.1"
 dc-response-builder = {file = "https://github.com/DemocracyClub/dc_response_builder/archive/refs/tags/0.0.4.zip"}
 dateparser = "==1.1.7"