Bump pyvista[jupyter] from 0.43.4 to 0.43.6 in /requirements

Bumps [pyvista[jupyter]](https://github.com/pyvista/pyvista) from 0.43.4 to 0.43.6.
- [Release notes](https://github.com/pyvista/pyvista/releases)
- [Commits](pyvista/pyvista@v0.43.4...v0.43.6)

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

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

requirements/requirements_doc.txt

@@ -5,7 +5,7 @@ nest-asyncio==1.6.0
 pandas==2.2.2
 plotly==5.20.0
 pythreejs==2.4.2
-pyvista[jupyter]==0.43.4
+pyvista[jupyter]==0.43.6
 vtk==9.3.0
 
 # Documentation dependencies