Bump file-loader from 6.0.0 to 6.1.0 (#14854)

Bumps [file-loader](https://github.com/webpack-contrib/file-loader) from 6.0.0 to 6.1.0.
- [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/v6.0.0...v6.1.0

)

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