build(deps): bump pyvista from 0.46.2 to 0.46.3 in the pyvista group

Bumps the pyvista group with 1 update: [pyvista](https://github.com/pyvista/pyvista).


Updates `pyvista` from 0.46.2 to 0.46.3
- [Release notes](https://github.com/pyvista/pyvista/releases)
- [Commits](pyvista/pyvista@v0.46.2...v0.46.3)

---
updated-dependencies:
- dependency-name: pyvista
  dependency-version: 0.46.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: pyvista
...

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

Author: dependabot[bot]

pyproject.toml

@@ -37,14 +37,14 @@ pyvistaqt = [
 ]
 tests = [
     "pytest==8.4.1",
-    "pyvista==0.46.2",
+    "pyvista==0.46.3",
     "pytest-pyvista==0.2.0",
     "pytest-cov==6.2.1",
     "pyside6==6.9.1",
 ]
 
 doc = [
-    "pyvista==0.46.2",
+    "pyvista==0.46.3",
     "ansys-sphinx-theme==1.5.3",
     "jupyter_sphinx==0.5.3",
     "jupytext==1.17.2",