Bump pytest-sphinx from 0.6.0 to 0.6.2 in /requirements

Bumps [pytest-sphinx](https://github.com/thisch/pytest-sphinx) from 0.6.0 to 0.6.2.
- [Release notes](https://github.com/thisch/pytest-sphinx/releases)
- [Changelog](https://github.com/thisch/pytest-sphinx/blob/master/CHANGELOG.md)
- [Commits](twmr/pytest-sphinx@v0.6.0...v0.6.2)

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

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

requirements/requirements_doc.txt

@@ -15,7 +15,7 @@ pandas==2.2.1
 panel==1.4.0
 plotly==5.20.0
 pypandoc==1.13
-pytest-sphinx==0.6.0
+pytest-sphinx==0.6.2
 pythreejs==2.4.2
 pyvista==0.43.4
 sphinx_design==0.5.0