Bump jupyterlab-language-pack-zh-cn from 3.6.post1 to 4.0.post1

Bumps [jupyterlab-language-pack-zh-cn](https://github.com/jupyterlab/language-packs) from 3.6.post1 to 4.0.post1.
- [Release notes](https://github.com/jupyterlab/language-packs/releases)
- [Changelog](https://github.com/jupyterlab/language-packs/blob/main/RELEASE.md)
- [Commits](https://github.com/jupyterlab/language-packs/compare/ar-SA@v3.6.post1...ar-SA@v4.0.post1)

---
updated-dependencies:
- dependency-name: jupyterlab-language-pack-zh-cn
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

pyproject.toml

@@ -88,7 +88,7 @@ docs-screenshots = [
     "ipython==8.13.1",
     "ipywidgets==8.0.6",
     "jupyterlab-geojson==3.3.1",
-    "jupyterlab-language-pack-zh-CN==3.6.post1",
+    "jupyterlab-language-pack-zh-CN==4.0.post1",
     "matplotlib==3.7.1",
     "nbconvert>=7.0.0",
     "pandas==2.0.1",