build(deps-dev): bump @vscode/test-electron from 2.1.5 to 2.2.0 (#158)

Bumps [@vscode/test-electron](https://github.com/Microsoft/vscode-test) from 2.1.5 to 2.2.0.
- [Release notes](https://github.com/Microsoft/vscode-test/releases)
- [Changelog](https://github.com/microsoft/vscode-test/blob/main/CHANGELOG.md)
- [Commits](microsoft/vscode-test@v2.1.5...v2.2.0)

---
updated-dependencies:
- dependency-name: "@vscode/test-electron"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>