fix(deps): 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	1.6.1 -> 2.0.0

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Release Notes

webpack-contrib/mini-css-extract-plugin

v2.0.0

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We also want to show you that the file-loader and url-loader are outdated, please migrate on Asset Modules.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

v1.6.2

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🦋 Changeset detected

Latest commit: 95c4dde

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@commercetools-frontend/mc-scripts	Patch

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[tdeekens]

Went over the breaking changes and actually can't find anything possibly affecting us. With VRTs here we gain some confidence. VRTs lacking internally could help here though. Still, we'll notice rather quickly I think 🤞🏼.