Update dependency raw-loader to v2

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
raw-loader	devDependencies	major	1.0.0 -> 2.0.0	source

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Release Notes

webpack-contrib/raw-loader

### [`v2.0.0`](https://togithub.com/webpack-contrib/raw-loader/blob/master/CHANGELOG.md#​200httpsgithubcomwebpack-contribraw-loadercomparev100v200-2019-03-18) [Compare Source](https://togithub.com/webpack-contrib/raw-loader/compare/v1.0.0...v2.0.0) ##### Features - use ES Module export instead of CommonJS ([#​69](https://togithub.com/webpack-contrib/raw-loader/issues/69)) ([3c7bf2c](https://togithub.com/webpack-contrib/raw-loader/commit/3c7bf2c)) ##### BREAKING CHANGES - use ES Module export instead of CommonJS ([#​69](https://togithub.com/webpack-contrib/raw-loader/issues/69)) ([3c7bf2c](https://togithub.com/webpack-contrib/raw-loader/commit/3c7bf2c)) #### 1.0.0 (2018-12-10) ##### Bug Fixes - escape invalid characters ([#​43](https://togithub.com/webpack-contrib/raw-loader/issues/43)) ([83f6541](https://togithub.com/webpack-contrib/raw-loader/commit/83f6541)) ##### Features - schema validation ([#​58](https://togithub.com/webpack-contrib/raw-loader/issues/58)) ([4a6da19](https://togithub.com/webpack-contrib/raw-loader/commit/4a6da19)) ##### BREAKING CHANGES - minimum require `webpack` version is `4` - minimum require `nodejs` version is `6.9`

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