Log Message:
py-ipyparallel: updated to 8.7.0

8.7.0 - 2024-03-04

8.7 is a small release, with a few improvements and updates, mostly related to
compatibility with different versions of JupyterLab, Notebook, and Jupyter
Server.

Highlights:

- JupyterLab 4 compatibility for the lab extension
- Improved logging and deprecation messages for different versions of Jupyter \ 
Server and Notebook

New features added

- Update labextension to jupyterlab 4
- add `ControllerLauncher.connection_info_timeout` config

Enhancements made

- log launcher output at warning-level in case of nonzero exit code
- improve deprecation messaging around `ipcluster nbextension`

Bugs fixed

- Use pre-3.10 serialization code on PyPy3.10
- fallback import when using notebook and jupyter_server is unavailable
- don't propagate logs in IPython