Bump nglview from 3.0.8 to 3.1.1

Bumps [nglview](https://github.com/arose/nglview) from 3.0.8 to 3.1.1.
- [Release notes](https://github.com/arose/nglview/releases)
- [Changelog](https://github.com/nglviewer/nglview/blob/master/CHANGELOG.md)
- [Commits](nglviewer/nglview@v3.0.8...v3.1.1)

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

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

requirements/requirements-test.txt

@@ -1,4 +1,4 @@
 numpy==1.26.2
 matplotlib==3.8.2
 scikit-learn==1.3.2
-nglview==3.0.8
+nglview==3.1.1