Bump braces and webpack (#450)

Bumps [braces](https://github.com/micromatch/braces) and [webpack](https://github.com/webpack/webpack). These dependencies needed 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 `webpack` from 4.47.0 to 5.91.0
- [Release notes](https://github.com/webpack/webpack/releases)
- [Commits](webpack/webpack@v4.47.0...v5.91.0)

---
updated-dependencies:
- dependency-name: braces
  dependency-type: indirect
- dependency-name: webpack
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>