Bump pytest-sphinx from 0.4.0 to 0.5.0 (#152)

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>

Author: dependabot[bot]

requirements/requirements_docs.txt

@@ -6,7 +6,7 @@ Sphinx==5.1.1
 sphinx-autobuild==2021.3.14
 sphinxcontrib-napoleon==0.7
 sphinxcontrib-websupport==1.2.4
-pytest-sphinx==0.4.0
+pytest-sphinx==0.5.0
 sphinx-notfound-page==0.8.3
 sphinx-copybutton==0.5.0
 sphinx-gallery==0.11.1