Bump pyvista from 0.40.0 to 0.40.1 in /requirements (#282)

Bumps [pyvista](https://github.com/pyvista/pyvista) from 0.40.0 to 0.40.1.
- [Release notes](https://github.com/pyvista/pyvista/releases)
- [Commits](pyvista/pyvista@v0.40.0...v0.40.1)

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

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 @@ imageio==2.31.1
 nest-asyncio==1.5.6
 notfound==1.0.2
 pypandoc==1.11
-pyvista==0.40.0
+pyvista==0.40.1
 sphinx-copybutton==0.5.2
 sphinx-gallery==0.13.0
 sphinx-notfound-page==0.8.3