Bump numpy from 1.26.4 to 2.1.1

Bumps [numpy](https://github.com/numpy/numpy) from 1.26.4 to 2.1.1.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/RELEASE_WALKTHROUGH.rst)
- [Commits](numpy/numpy@v1.26.4...v2.1.1)

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

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

requirements.txt

@@ -1,7 +1,7 @@
 Django~=4.2.11
 hisparc-sapphire==3.1.0
 ipython==8.26.0
-numpy==1.26.4
+numpy==2.1.1
 psycopg2-binary==2.9.9
 python-dateutil==2.9.0.post0
 scipy==1.14.1