Update dependency css-loader to v3.4.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
css-loader	devDependencies	minor	3.3.2 -> 3.4.0

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Release Notes

webpack-contrib/css-loader

v3.4.0

Compare Source

Features

• esModule option (#​1026) (d358cdb)

Bug Fixes

• logic for order and media queries for imports (#​1018) (65450d9)

3.3.2 (2019-12-12)

Bug Fixes

• logic for order and media queries for imports (1fb5134)

3.3.1 (2019-12-12)

Bug Fixes

• better handling url functions and an url in @import at-rules
• reduce count of require (#​1014) (e091d27)

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[coveralls]

Pull Request Test Coverage Report for Build 2606

• 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 2604:	0.0%
Covered Lines:	107
Relevant Lines:	107

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💛 - Coveralls