Bump file-loader from 1.1.11 to 3.0.1 in /apps/updatenotification

Bumps [file-loader](https://github.com/webpack-contrib/file-loader) from 1.1.11 to 3.0.1.
- [Release notes](https://github.com/webpack-contrib/file-loader/releases)
- [Changelog](https://github.com/webpack-contrib/file-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/file-loader/compare/v1.1.11...v3.0.1

)

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