Bump clean-css from 5.3.1 to 5.3.2

[dependabot[bot]]

Bumps clean-css from 5.3.1 to 5.3.2.

Changelog

Sourced from clean-css's changelog.

5.3.2 / 2023-01-19

• Fixed issue #1224 - incorrect parsing of selectors with double hyphen.
• Fixed issue #1228 - incorrect appending of '%' inside rgba colors.
• Fixed issue #1232 - support for @container keyword.
• Fixed issue #1239 - edge case in handling @import statements.
• Fixed issue #1242 - support for @layer keyword.

Commits

• 2f9761e Version 5.3.2.
• 3c3b4a1 Updates changelog for version 5.3.2.
• d345240 Fixes #1224 - incorrect parsing of selectors with double hyphen.
• f6a4c29 Corrects variable name for understandability.
• 17c4a46 #1239 suggested fix for import statements getting broken when there is no spa...
• 576a0f0 Fixes #1242 - add support for the "@​layer" keyword (#1243)
• 690fd43 Fixes #1232 - add support for the "@​container" keyword (#1241)
• cc7b605 Adds support for UTF-8 BOM.
• d9b4c63 Fixes incorrectly appending '%'s to rgba of numbers (#1228)
• See full diff in compare view

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