Update dependency cssnano to v7 (1.10)

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
cssnano	6.1.2 -> 7.0.1

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Release Notes

cssnano/cssnano (cssnano)

### [`v7.0.1`](https://togithub.com/cssnano/cssnano/releases/tag/cssnano%407.0.1): v7.0.1 [Compare Source](https://togithub.com/cssnano/cssnano/compare/cssnano@7.0.0...cssnano@7.0.1) #### Patch changes Update postcss-calc dependency to latest version ### [`v7.0.0`](https://togithub.com/cssnano/cssnano/compare/cssnano-preset-advanced@6.1.2...cssnano-preset-advanced@7.0.0) [Compare Source](https://togithub.com/cssnano/cssnano/compare/cssnano@6.1.2...cssnano@7.0.0)

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Configuration

📅 Schedule: Branch creation - "after 11pm on friday,before 7am on saturday" in timezone Etc/Greenwich, 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 again.

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