Bump pyvista from 0.44.2 to 0.46.0

Bumps [pyvista](https://github.com/pyvista/pyvista) from 0.44.2 to 0.46.0.
- [Release notes](https://github.com/pyvista/pyvista/releases)
- [Commits](pyvista/pyvista@v0.44.2...v0.46.0)

---
updated-dependencies:
- dependency-name: pyvista
  dependency-version: 0.46.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

requirements.txt

@@ -18,7 +18,7 @@ nbgitpuller==1.2.2
 nglview==3.1.4
 pystem==0.0.26
 python-ace==0.3.0
-pyvista==0.44.2
+pyvista==0.46.0
 pyxem==0.20.0
 pyxtal==1.0.9
 scanf==1.5.2