chore(release): 1.2.0 [skip ci]

# [1.2.0](https://github.com/LLK/scratch-gui/compare/v1.1.42...v1.2.0) (2022-12-08)

### Features

* disconnect from cloud variables immediately after adding video sensing to a project ([7279c8b5](https://github.com/LLK/scratch-gui/commit/7279c8b54212a0e7f478ef5c17bb0aaee73ae3f4))