Bumps the npm_and_yarn group with 1 update in the / directory: [micromatch](https://github.com/micromatch/micromatch).

Updates `micromatch` from 4.0.5 to 4.0.8
- [Release notes](https://github.com/micromatch/micromatch/releases)
- [Changelog](https://github.com/micromatch/micromatch/blob/master/CHANGELOG.md)
- [Commits](https://github.com/micromatch/micromatch/compare/4.0.5...4.0.8

)

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

Change-Id: I783a6838616c570a41a5a0f58db3e6430c43c344
Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Chris Kay <chris.kay@arm.com>