build(deps): bump mustache from 4.0.1 to 4.1.0 in /frontend

Bumps [mustache](https://github.com/janl/mustache.js) from 4.0.1 to 4.1.0.
- [Release notes](https://github.com/janl/mustache.js/releases)
- [Changelog](https://github.com/janl/mustache.js/blob/master/CHANGELOG.md)
- [Commits](janl/mustache.js@v4.0.1...v4.1.0)

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

Author: dependabot[bot]