Bump @vscode/test-web from 0.0.54 to 0.0.56 (#361)

Bumps [@vscode/test-web](https://github.com/microsoft/vscode-test-web) from 0.0.54 to 0.0.56.
- [Release notes](https://github.com/microsoft/vscode-test-web/releases)
- [Changelog](https://github.com/microsoft/vscode-test-web/blob/main/CHANGELOG.md)
- [Commits](microsoft/vscode-test-web@v0.0.54...v0.0.56)

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

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