Bump pytest-cython from 0.2.0 to 0.3.1

Bumps [pytest-cython](https://github.com/lgpage/pytest-cython) from 0.2.0 to 0.3.1.
- [Release notes](https://github.com/lgpage/pytest-cython/releases)
- [Changelog](https://github.com/lgpage/pytest-cython/blob/main/CHANGELOG.md)
- [Commits](pytest-cython/pytest-cython@v0.2.0...v0.3.1)

---
updated-dependencies:
- dependency-name: pytest-cython
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

docs/requirements-dev.txt

@@ -12,7 +12,7 @@ pyperf==2.6.2
 pytest>=6.0.0
 pytest-asyncio==0.23.2
 pytest-cov==4.0.0
-pytest-cython==0.2.0
+pytest-cython==0.3.1
 pytest-xdist==3.5.0
 pytest-assume==2.4.3
 sdist==0.0.0