Eclipse Theia v1.22.0 Release

Hi everyone :wave:

the Eclipse Theia v1.22.0 release is scheduled for later today. There is still time to resolve/merge any low risk pull-requests before the release if necessary. We will inform you when the release has completed :+1:

The release is now completed, thank you to everyone who contributed!
The release includes a major upgrade to Electron, please let us know if you encounter any issues :+1: