Update numpy requirement from ~=1.25.2 to ~=1.26.0 (#302)

Updates the requirements on [numpy](https://github.com/numpy/numpy) to permit the latest version.
- [Release notes](https://github.com/numpy/numpy/releases)
- [Changelog](https://github.com/numpy/numpy/blob/main/doc/RELEASE_WALKTHROUGH.rst)
- [Commits](numpy/numpy@v1.25.2...v1.26.0)

---
updated-dependencies:
- dependency-name: numpy
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -1,7 +1,7 @@
 pip~=23.2
 voila~=0.3.6
 matplotlib~=3.6.3
-numpy~=1.25.2
+numpy~=1.26.0
 ipympl~=0.8.8
 scipy~=1.11.2 
 voila-osscar-template~=0.3.2