chore(deps-dev): bump clean-css-cli from 5.6.0 to 5.6.1

[dependabot[bot]]

Bumps clean-css-cli from 5.6.0 to 5.6.1.

Changelog

Sourced from clean-css-cli's changelog.

5.6.1 / 2022-07-13

• Bumps clean-css dependency to 5.3.1.

Commits

• 7bc7cb6 Version 5.6.1.
• 174e812 Updates clean-css dependency to version 5.3.1.
• See full diff in compare view

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