Merge pull request jupyterlab#875 from jupyterlab/fcollonval-patch-1

Bump to beta.2

Add jupyter_packaging for publication

Remove version matching

Version are aligned by code design

Bump to v0.23.3 (jupyterlab#850)

Bump to 0.23.2 (jupyterlab#832)

* Update package.json

* Update _version.py

Bump to 0.23.1 (jupyterlab#825)

* Bump to 0.23.1

* Bump python version

Merge pull request jupyterlab#821 from fcollonval/bump-version

Bump to 0.23.0

Merge pull request jupyterlab#811 from fcollonval/master

Bump to 0.22.3

Merge pull request jupyterlab#808 from fcollonval/bump-version

Bump to 0.22.2

bump to 0.22.1 (jupyterlab#797)

* bump to 0.22.1

* Bump to 0.22.1

* test against python 3.9