build(deps): bump micromatch and preact-cli in /example/frontend

Bumps [micromatch](https://github.com/micromatch/micromatch) to 4.0.8 and updates ancestor dependency [preact-cli](https://github.com/preactjs/preact-cli/tree/HEAD/packages/cli). These dependencies need to be updated together.


Updates `micromatch` from 3.1.10 to 4.0.8
- [Release notes](https://github.com/micromatch/micromatch/releases)
- [Changelog](https://github.com/micromatch/micromatch/blob/4.0.8/CHANGELOG.md)
- [Commits](micromatch/micromatch@3.1.10...4.0.8)

Updates `preact-cli` from 2.2.1 to 3.5.1
- [Release notes](https://github.com/preactjs/preact-cli/releases)
- [Changelog](https://github.com/preactjs/preact-cli/blob/master/packages/cli/CHANGELOG.md)
- [Commits](https://github.com/preactjs/preact-cli/commits/3.5.1/packages/cli)

---
updated-dependencies:
- dependency-name: micromatch
  dependency-type: indirect
- dependency-name: preact-cli
  dependency-type: direct:production
...

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