Update python-ipykernel to 4.8.2
- Fix compatibility issue with qt eventloop and pyzmq 17.
- Set zmq.ROUTER_HANDOVER socket option when available to workaround libzmq reconnect bug.
- Fix sdists including absolute paths for kernelspec files, which prevented installation from sdist on Windows.
- Resolves T5733.
Test Plan: Tested with spyder, spyder3, and some Jupyter notebooks.
Reviewers: Triage Team, JoshStrobl
Reviewed By: Triage Team, JoshStrobl
Maniphest Tasks: T5733
Differential Revision: https://dev.solus-project.com/D2224