Update dependency cssnano to v7.0.5

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
cssnano	7.0.4 -> 7.0.5

---

Release Notes

cssnano/cssnano (cssnano)

### [`v7.0.5`](https://togithub.com/cssnano/cssnano/compare/cssnano@7.0.4...cssnano@7.0.5) [Compare Source](https://togithub.com/cssnano/cssnano/compare/cssnano@7.0.4...cssnano@7.0.5)

---

Configuration

📅 Schedule: Branch creation - "before 4am" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ 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.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.