Bump cython from 3.1.3 to 3.1.4 (#1565)

Bumps [cython](https://github.com/cython/cython) from 3.1.3 to 3.1.4.
- [Release notes](https://github.com/cython/cython/releases)
- [Changelog](https://github.com/cython/cython/blob/master/CHANGES.rst)
- [Commits](cython/cython@3.1.3...3.1.4)

---
updated-dependencies:
- dependency-name: cython
  dependency-version: 3.1.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

requirements/cython.txt

@@ -1 +1 @@
-cython==3.1.3
+cython==3.1.4