Bump pytest-sphinx from 0.4.0 to 0.5.0 in /requirements (#854)

Bumps [pytest-sphinx](https://github.com/thisch/pytest-sphinx) from 0.4.0 to 0.5.0.
- [Release notes](https://github.com/thisch/pytest-sphinx/releases)
- [Changelog](https://github.com/thisch/pytest-sphinx/blob/master/CHANGELOG.md)
- [Commits](twmr/pytest-sphinx@v0.4.0...v0.5.0)

---
updated-dependencies:
- dependency-name: pytest-sphinx
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

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

requirements/requirements_doc.txt

@@ -4,7 +4,7 @@ numpydoc==1.4.0
 matplotlib==3.6.0
 ansys-sphinx-theme==0.5.2
 pypandoc==1.9
-pytest-sphinx==0.4.0
+pytest-sphinx==0.5.0
 sphinx-autobuild==2021.3.14
 sphinx-autodoc-typehints==1.19.2
 sphinx-copybutton==0.5.0