chore(deps): update dependency mini-css-extract-plugin to v1.5.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mini-css-extract-plugin	1.5.0 -> 1.5.1

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Release Notes

webpack-contrib/mini-css-extract-plugin

### [`v1.5.1`](https://togithub.com/webpack-contrib/mini-css-extract-plugin/blob/master/CHANGELOG.md#​151-httpsgithubcomwebpack-contribmini-css-extract-plugincomparev150v151-2021-04-28) [Compare Source](https://togithub.com/webpack-contrib/mini-css-extract-plugin/compare/v1.5.0...v1.5.1)

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Configuration

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