Update dependency cssnano to v7.0.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
cssnano	7.0.1 -> 7.0.2

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Release Notes

cssnano/cssnano (cssnano)

### [`v7.0.2`](https://togithub.com/cssnano/cssnano/compare/cssnano@7.0.1...cssnano@7.0.2) [Compare Source](https://togithub.com/cssnano/cssnano/compare/cssnano@7.0.1...cssnano@7.0.2)

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Configuration

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🚦 Automerge: Enabled.

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