build: bump pytest from 8.3.3 to 8.3.4 in the testing group

Bumps the testing group with 1 update: [pytest](https://github.com/pytest-dev/pytest).


Updates `pytest` from 8.3.3 to 8.3.4
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.3.3...8.3.4)

---
updated-dependencies:
- dependency-name: pytest
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: testing
...

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -67,7 +67,7 @@ tests = [
     "pytest-pyvista==0.1.9",
     "pytest-random-order==1.1.1",
     "pytest-rerunfailures==15.0",
-    "pytest==8.3.3",
+    "pytest==8.3.4",
     "scipy==1.14.1",
     "vtk==9.3.1",
 ]