Bump pytest-sphinx from 0.5.0 to 0.6.0 (#589)

Bumps [pytest-sphinx](https://github.com/thisch/pytest-sphinx) from 0.5.0 to 0.6.0.
- [Release notes](https://github.com/thisch/pytest-sphinx/releases)
- [Changelog](https://github.com/thisch/pytest-sphinx/blob/master/CHANGELOG.md)
- [Commits](twmr/pytest-sphinx@v0.5.0...v0.6.0)

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

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

@@ -7,7 +7,7 @@ Sphinx==7.2.6; python_version >= '3.9'
 sphinx-autobuild==2024.2.4
 sphinxcontrib-napoleon==0.7
 sphinxcontrib-websupport==1.2.7
-pytest-sphinx==0.5.0
+pytest-sphinx==0.6.0
 sphinx-notfound-page==1.0.0
 sphinx-copybutton==0.5.0
 sphinx-gallery==0.15.0