chore(deps): bump @theia/getting-started from 1.56.0 to 1.57.1

Bumps [@theia/getting-started](https://github.com/eclipse-theia/theia) from 1.56.0 to 1.57.1.
- [Release notes](https://github.com/eclipse-theia/theia/releases)
- [Changelog](https://github.com/eclipse-theia/theia/blob/master/CHANGELOG.md)
- [Commits](eclipse-theia/theia@v1.56.0...v1.57.1)

---
updated-dependencies:
- dependency-name: "@theia/getting-started"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>