Bump imports-loader from 1.1.0 to 1.2.0 (#14976)

Bump imports-loader from 1.1.0 to 1.2.0 (#14976)

Bumps [imports-loader](https://github.com/webpack-contrib/imports-loader) from 1.1.0 to 1.2.0.
- [Release notes](https://github.com/webpack-contrib/imports-loader/releases)
- [Changelog](https://github.com/webpack-contrib/imports-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack-contrib/imports-loader/compare/v1.1.0...v1.2.0)

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