Update dependency cssnano to v7 - autoclosed

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
cssnano	`^6.0.0` -> `^7.0.0`

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/releases/tag/cssnano%407.0.0): v7.0.0 [Compare Source](https://togithub.com/cssnano/cssnano/compare/cssnano@6.1.2...cssnano@7.0.0) #### Breaking changes This release drops official support for unmaintained long term support Node.js releases 14 and 16. It also drops support for non-long term support releases 19 and 21 and add support for Node.js 22. Only the `package.json` `engines` field has been updated. The code should otherwise be identical to the previous 6.1.2 release. Ensuring support for older Node.js had become difficult as the GitHub actions runners are not available for the latest MacOS and recent pnpm also could not run on CI any more.

Configuration

📅 Schedule: Branch creation - "before 3am on Monday" (UTC), 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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mdx-js / mdx

Update dependency cssnano to v7 - autoclosed #2476

Release Notes

Configuration