Bump braces and filemanager-webpack-plugin

Bumps [braces](https://github.com/micromatch/braces) to 3.0.2 and updates ancestor dependency [filemanager-webpack-plugin](https://github.com/gregnb/filemanager-webpack-plugin). These dependencies need to be updated together.


Updates `braces` from 1.8.5 to 3.0.2
- [Release notes](https://github.com/micromatch/braces/releases)
- [Changelog](https://github.com/micromatch/braces/blob/master/CHANGELOG.md)
- [Commits](micromatch/braces@1.8.5...3.0.2)

Updates `filemanager-webpack-plugin` from 2.0.5 to 7.0.0
- [Release notes](https://github.com/gregnb/filemanager-webpack-plugin/releases)
- [Changelog](https://github.com/gregnb/filemanager-webpack-plugin/blob/master/CHANGELOG.md)
- [Commits](gregnb/filemanager-webpack-plugin@v2.0.5...v7.0.0)

---
updated-dependencies:
- dependency-name: braces
  dependency-type: indirect
- dependency-name: filemanager-webpack-plugin
  dependency-type: direct:development
...

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