Build: Bump micromatch from 4.0.4 to 4.0.8

Bumps [micromatch](https://github.com/micromatch/micromatch) from 4.0.4 to 4.0.8.
- [Release notes](https://github.com/micromatch/micromatch/releases)
- [Changelog](https://github.com/micromatch/micromatch/blob/master/CHANGELOG.md)
- [Commits](micromatch/micromatch@4.0.4...4.0.8)

Closes gh-1250

---
updated-dependencies:
- dependency-name: micromatch
  dependency-type: indirect
...

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