build(deps): bump ws and @microsoft/vscode-azext-dev in /appsettings (#…

…1458)

Removes [ws](https://github.com/websockets/ws). It's no longer used after updating ancestor dependency [@microsoft/vscode-azext-dev](https://github.com/Microsoft/vscode-azuretools). These dependencies need to be updated together.


Removes `ws`

Updates `@microsoft/vscode-azext-dev` from 0.2.0 to 1.2.0
- [Release notes](https://github.com/Microsoft/vscode-azuretools/releases)
- [Commits](https://github.com/Microsoft/vscode-azuretools/commits)

---
updated-dependencies:
- dependency-name: ws
  dependency-type: indirect
- dependency-name: "@microsoft/vscode-azext-dev"
  dependency-type: direct:development
...

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