Update dependency mini-css-extract-plugin to v2.9.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mini-css-extract-plugin	2.9.0 -> 2.9.1

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Release Notes

webpack-contrib/mini-css-extract-plugin (mini-css-extract-plugin)

### [`v2.9.1`](https://togithub.com/webpack-contrib/mini-css-extract-plugin/blob/HEAD/CHANGELOG.md#291-2024-08-19) [Compare Source](https://togithub.com/webpack-contrib/mini-css-extract-plugin/compare/v2.9.0...v2.9.1)

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