Bump cython from 3.0.2 to 3.0.3

Bumps [cython](https://github.com/cython/cython) from 3.0.2 to 3.0.3.
- [Release notes](https://github.com/cython/cython/releases)
- [Changelog](https://github.com/cython/cython/blob/master/CHANGES.rst)
- [Commits](cython/cython@3.0.2...3.0.3)

---
updated-dependencies:
- dependency-name: cython
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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