Bump pyvista from 0.42.1 to 0.43.1 (#564)

Bumps [pyvista](https://github.com/pyvista/pyvista) from 0.42.1 to 0.43.1.
- [Release notes](https://github.com/pyvista/pyvista/releases)
- [Commits](pyvista/pyvista@v0.42.1...v0.43.1)

---
updated-dependencies:
- dependency-name: pyvista
  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

@@ -13,4 +13,4 @@ sphinx-copybutton==0.5.0
 sphinx-gallery==0.15.0
 ansys_sphinx_theme==0.12.3
 sphinx-autodoc-typehints==1.25.2
-pyvista==0.42.1
+pyvista==0.43.1

requirements/requirements_test.txt

@@ -2,4 +2,4 @@ coverage==7.3.1
 pytest-cov==4.0.0
 pytest-rerunfailures==13.0
 pytest==7.4.2
-pyvista==0.42.1
+pyvista==0.43.1