[RESULT] [VOTE] JupyterLab Sidepanel release v3.0.0 for Issue#23488 RC#1

[Ning Kang via dev]

I'm happy to announce that we have unanimously approved this release.

There are 3 approving votes, all of which are binding:
* Ahmet Altay
* Pablo Estrada
* Chamikara Jayalath

There are no disapproving votes.

Thanks everyone!