Bump jupyter-core from 4.9.1 to 4.11.2 in /examples/iris

Bumps [jupyter-core](https://github.com/jupyter/jupyter_core) from 4.9.1 to 4.11.2.
- [Release notes](https://github.com/jupyter/jupyter_core/releases)
- [Changelog](https://github.com/jupyter/jupyter_core/blob/main/CHANGELOG.md)
- [Commits](jupyter/jupyter_core@4.9.1...4.11.2)

---
updated-dependencies:
- dependency-name: jupyter-core
  dependency-type: indirect
...

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