Bump numpy from 2.1.2 to 2.2.1 in /src/requirements

Bumps [numpy](https://github.com/numpy/numpy) from 2.1.2 to 2.2.1.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/RELEASE_WALKTHROUGH.rst)
- [Commits](numpy/numpy@v2.1.2...v2.2.1)

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

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

src/requirements/production.txt

@@ -39,7 +39,7 @@ wheel==0.44.0
 # pillow is only here to make old migrations run
 Pillow==10.4.0
 
-numpy==2.1.2
+numpy==2.2.1
 
 django-weasyprint==2.3.0
 weasyprint==62.3