fix(deps): update dependency css-minimizer-webpack-plugin to v7

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
css-minimizer-webpack-plugin	6.0.0 -> 7.0.0

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Release Notes

webpack-contrib/css-minimizer-webpack-plugin (css-minimizer-webpack-plugin)

### [`v7.0.0`](https://togithub.com/webpack-contrib/css-minimizer-webpack-plugin/blob/HEAD/CHANGELOG.md#700-2024-05-07) [Compare Source](https://togithub.com/webpack-contrib/css-minimizer-webpack-plugin/compare/v6.0.0...v7.0.0) ##### ⚠ BREAKING CHANGES - update cssnano to 7.0 ([#​263](https://togithub.com/webpack-contrib/css-minimizer-webpack-plugin/issues/263)) ([a252ce9](https://togithub.com/webpack-contrib/css-minimizer-webpack-plugin/commit/a252ce91aad42181af0e4c71f1a00990c1efeeeb))

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