Update cython requirement from ~=3.0.0 to ~=3.0.2 (#293)

Updates the requirements on [cython](https://github.com/cython/cython) to permit the latest version.
- [Release notes](https://github.com/cython/cython/releases)
- [Changelog](https://github.com/cython/cython/blob/master/CHANGES.rst)
- [Commits](cython/cython@3.0.0...3.0.2)

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

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

requirements.txt

@@ -5,7 +5,7 @@ numpy~=1.25.2
 ipympl~=0.8.8
 scipy~=1.11.2 
 voila-osscar-template~=0.3.2
-Cython~=3.0.0
+Cython~=3.0.2
 sympy~=1.12
 ase~=3.22.1
 seekpath~=2.1.0