Update dependency css-loader to v2.1.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
css-loader	devDependencies	patch	2.1.0 -> 2.1.1	source

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Release Notes

webpack-contrib/css-loader

v2.1.1

Compare Source

Bug Fixes

• do not break selector with escaping (#​896) (0ba8c66)
• source map generation when sourceRoot is present (#​901) (e9ce745)
• sourcemap generating when previous loader pass sourcemap as string (#​905) (3797e4d)

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[coveralls]

Pull Request Test Coverage Report for Build 1069

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 1065:	0.0%
Covered Lines:	77
Relevant Lines:	77

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💛 - Coveralls