Update dependency mini-css-extract-plugin to v1.6.0

This MR contains the following updates:

Package	Type	Update	Change
mini-css-extract-plugin	dependencies	minor	1.5.0 -> 1.6.0

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Release Notes

webpack-contrib/mini-css-extract-plugin

v1.6.0

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Features

• added new url support (#​753) (c76a1a1)

1.5.1 (2021-04-28)

Bug Fixes

• compatibility with named export and es5 (#​751) (3be81bb)

v1.5.1

Compare Source

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