Update dependency mini-css-extract-plugin to v2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mini-css-extract-plugin	1.6.2 -> 2.2.0

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Release Notes

webpack-contrib/mini-css-extract-plugin

v2.2.0

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Features

• add link and description for options (#​786) (3c5a5b7)

Bug Fixes

• hmr in browser extension (3d09da1)

v2.1.0

Compare Source

Features

• support the pathinfo option (#​783) (a37713f)

v2.0.0

Compare Source

NOTES

In the current release we have fixed many problems with publicPath, previously to generate relative URLs inside CSS files developers use different hacks: publicPath: '', publicPath: '../', using relative ../../ in the outputPath option for file-loader and etc. Now you don't need it anymore. Webpack v5 uses publicPath: "auto" by default, which means to always generate relative URLs, and now mini-css-extract-plugin does the same.

We strongly recommend use auto value by default (except when using CDN).

We also want to show you that the file-loader and url-loader are outdated, please migrate on Asset Modules.

⚠ BREAKING CHANGES

• minimum supported Node.js version is 12.13.0
• minimum supported webpack version is 5.0.0
• the modules.namedExport option was removed, you don't need it anymore, because we respect the modules.namedExport option from css-loader, just remove it
• the publicPath option no longer automatically adds / (trailing slash), you need to specify, you need to specify it yourself if it is absent, i.e. if you have publicPath: "/my/public/path" replace it with publicPath: "/my/public/path/"

Bug Fixes

• generating correct relative url() for assets inside CSS files when you use publicPath: "auto" (default value)

1.6.2 (2021-06-28)

Bug Fixes

• performance improvement

1.6.1 (2021-06-25)

Bug Fixes

• memory leaks (c68aca7)

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[calebeby]

Needs webpack 5

[renovate]

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