Bump braces and watchify

Bumps [braces](https://github.com/micromatch/braces) to 3.0.3 and updates ancestor dependency [watchify](https://github.com/browserify/watchify). 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 `watchify` from 3.11.1 to 4.0.0
- [Release notes](https://github.com/browserify/watchify/releases)
- [Changelog](https://github.com/browserify/watchify/blob/master/CHANGELOG.md)
- [Commits](browserify/watchify@v3.11.1...v4.0.0)

---
updated-dependencies:
- dependency-name: braces
  dependency-version: 3.0.3
  dependency-type: indirect
- dependency-name: watchify
  dependency-version: 4.0.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]