Bump braces, filemanager-webpack-plugin and watchpack in /hasjob/assets

Bumps [braces](https://github.com/micromatch/braces) to 3.0.3 and updates ancestor dependencies [braces](https://github.com/micromatch/braces), [filemanager-webpack-plugin](https://github.com/gregnb/filemanager-webpack-plugin) and [watchpack](https://github.com/webpack/watchpack). These dependencies need to be updated together.


Updates `braces` from 1.8.5 to 3.0.3
- [Changelog](https://github.com/micromatch/braces/blob/master/CHANGELOG.md)
- [Commits](micromatch/braces@1.8.5...3.0.3)

Updates `filemanager-webpack-plugin` from 1.0.29 to 8.0.0
- [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@v1.0.29...v8.0.0)

Updates `watchpack` from 1.6.0 to 1.7.5
- [Release notes](https://github.com/webpack/watchpack/releases)
- [Commits](webpack/watchpack@v1.6.0...v1.7.5)

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

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