chore(deps): update dependency css-loader to v5.2.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
css-loader	5.1.4 -> 5.2.0

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Release Notes

webpack-contrib/css-loader

### [`v5.2.0`](https://togithub.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md#​520-httpsgithubcomwebpack-contribcss-loadercomparev514v520-2021-03-24) [Compare Source](https://togithub.com/webpack-contrib/css-loader/compare/v5.1.4...v5.2.0) ##### Features - support async functions for `url` and `import` options ([#​1277](https://togithub.com/webpack-contrib/css-loader/issues/1277)) ([c5062db](https://togithub.com/webpack-contrib/css-loader/commit/c5062db3fc849d882a07b9f2c9f66f00325c8896)) ##### [5.1.4](https://togithub.com/webpack-contrib/css-loader/compare/v5.1.3...v5.1.4) (2021-03-24) ##### Bug Fixes - crash with thread-loader ([#​1281](https://togithub.com/webpack-contrib/css-loader/issues/1281)) ([7095a7c](https://togithub.com/webpack-contrib/css-loader/commit/7095a7ca7d985d5447aed80cf3e41a4f8c19b954)) ##### [5.1.3](https://togithub.com/webpack-contrib/css-loader/compare/v5.1.2...v5.1.3) (2021-03-15) ##### Bug Fixes - the `auto` option works using inline module syntax ([#​1274](https://togithub.com/webpack-contrib/css-loader/issues/1274)) ([1db2f4d](https://togithub.com/webpack-contrib/css-loader/commit/1db2f4df3ff9ae8f0667a2304853c8e7cdd0afc1)) - ident generation for CSS modules using inline module syntax ([#​1274](https://togithub.com/webpack-contrib/css-loader/issues/1274)) ([1db2f4d](https://togithub.com/webpack-contrib/css-loader/commit/1db2f4df3ff9ae8f0667a2304853c8e7cdd0afc1)) ##### [5.1.2](https://togithub.com/webpack-contrib/css-loader/compare/v5.1.1...v5.1.2) (2021-03-10) ##### Bug Fixes - handling `@import` with spaces before and after and any extensions ([#​1272](https://togithub.com/webpack-contrib/css-loader/issues/1272)) ([0c47cf7](https://togithub.com/webpack-contrib/css-loader/commit/0c47cf7ccbe3635900e8e8840650f69a7eca004d)) - inline loader syntax in `@import` and modules ([3f49ed0](https://togithub.com/webpack-contrib/css-loader/commit/3f49ed0864457f9467f560856377c890c392aee7)) ##### [5.1.1](https://togithub.com/webpack-contrib/css-loader/compare/v5.1.0...v5.1.1) (2021-03-01) ##### Bug Fixes - crash on modified AST from `postcss-loader` ([#​1268](https://togithub.com/webpack-contrib/css-loader/issues/1268)) ([d2a1a84](https://togithub.com/webpack-contrib/css-loader/commit/d2a1a84afc63fdfb2a4ce6668ed9f2d7f1ba56ca))

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