Update dependency css-loader to v6.1.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
css-loader	6.0.0 -> 6.1.0

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Release Notes

webpack-contrib/css-loader

### [`v6.1.0`](https://togithub.com/webpack-contrib/css-loader/blob/master/CHANGELOG.md#​610-httpsgithubcomwebpack-contribcss-loadercomparev600v610-2021-07-17) [Compare Source](https://togithub.com/webpack-contrib/css-loader/compare/v6.0.0...v6.1.0) ##### Features - add `link` in schema ([#​1345](https://togithub.com/webpack-contrib/css-loader/issues/1345)) ([7d4e493](https://togithub.com/webpack-contrib/css-loader/commit/7d4e4931390f9e9356af45ae03057d1505d73109)) ##### Bug Fixes - respect the `localIdentRegExp` option ([#​1349](https://togithub.com/webpack-contrib/css-loader/issues/1349)) ([42f150b](https://togithub.com/webpack-contrib/css-loader/commit/42f150b429afad9b0851d2e6bd75cec120885aa4))

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Configuration

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