Bump braces and onchange in /docs

Bumps [braces](https://github.com/micromatch/braces) to 3.0.3 and updates ancestor dependency [onchange](https://github.com/Qard/onchange). These dependencies need to be updated together.


Updates `braces` from 2.3.2 to 3.0.3
- [Changelog](https://github.com/micromatch/braces/blob/master/CHANGELOG.md)
- [Commits](https://github.com/micromatch/braces/commits/3.0.3)

Updates `onchange` from 5.2.0 to 7.1.0
- [Release notes](https://github.com/Qard/onchange/releases)
- [Commits](Qard/onchange@v5.2.0...v7.1.0)

---
updated-dependencies:
- dependency-name: braces
  dependency-type: indirect
- dependency-name: onchange
  dependency-type: direct:development
...

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