Bump to 0.21.1 (jupyterlab#760)

Bump to 0.21.0 (jupyterlab#755)

Bump to 0.11.0 (jupyterlab#756)

Bump to 0.11.0rc1

Merge pull request jupyterlab#737 from fcollonval/0-21-rc

Bump to 0.21.0rc0

Fix npm prerelease (jupyterlab#732)

* Set npm tag depending on the release status

* Bump to alpha 1

Bump to 0.11.0rc0

Bump to 0.21.0a0 (jupyterlab#722)

* Bump to 0.21.0-alpha.0

* Bump to 0.21.0a0

Make git icon selectable for better rendering in settings

Bump to 0.20.0rc0