chore(deps): update dependency css-minimizer-webpack-plugin to v7 (co…

…mpiler-explorer#6576)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
|
[css-minimizer-webpack-plugin](https://togithub.com/webpack-contrib/css-minimizer-webpack-plugin)
| [`^6.0.0` ->
`^7.0.0`](https://renovatebot.com/diffs/npm/css-minimizer-webpack-plugin/6.0.0/7.0.0)
|
[![age](https://developer.mend.io/api/mc/badges/age/npm/css-minimizer-webpack-plugin/7.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/css-minimizer-webpack-plugin/7.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/css-minimizer-webpack-plugin/6.0.0/7.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/css-minimizer-webpack-plugin/6.0.0/7.0.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>webpack-contrib/css-minimizer-webpack-plugin
(css-minimizer-webpack-plugin)</summary>

###
[`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
([#&#8203;263](https://togithub.com/webpack-contrib/css-minimizer-webpack-plugin/issues/263))
([a252ce9](https://togithub.com/webpack-contrib/css-minimizer-webpack-plugin/commit/a252ce91aad42181af0e4c71f1a00990c1efeeeb))

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "before 8pm on the first day of the
month" in timezone America/Chicago, Automerge - At any time (no schedule
defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
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---

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