Update dependency postcss-cli to v11

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
postcss-cli	^6.1.2 -> ^11.0.0

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Release Notes

postcss/postcss-cli (postcss-cli)

v11.0.1

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• Update and minimize dependencies

v11.0.0

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• BREAKING: Require Node.js v18+ (#​464)
• Upgrade to postcss-load-config@5 for improved ESM & TS config support (#​461, #​462)

v10.1.0

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• Allow running --watch mode in non-TTY contexts, like Docker (#​448)
• Update dependencies

v10.0.0

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• BREAKING: Drop Node 12 support (#​438)
• Add support for ESM config files (#​437)

v9.1.0

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• Don't write to files if they're unchanged (#​320, #​417)

v9.0.2

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• Switch to picocolors (#​409)
• Remove test files from npm package

v9.0.1

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• Actually exit with error when attempting to stdout in watch mode
• Remove bin/ from files in package.json

v9.0.0

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• BREAKING: Require Node.js v12+
• BREAKING: Must specify full file path, including .js extension, when loading local plugins with --use (#​401)
• BREAKING: Officially remove support for watching postcss config (was already broken in previous releases)
• Add support for dir-dependency messages (#​383, #​391)
• Update deps

v8.3.1

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• Ensure paths are not interpreted as numbers (#​360)
• Better errors for incorrect postcss version (#​361, #​362)

v8.3.0

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• Exit on EOF/^D (#​358)

v8.2.0

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• Allow backslashes in paths for better Windows experience (#​355)

v8.1.0

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• Add support for postcss.config.cjs files (#​351)

v8.0.0

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• BREAKING: Support postcss v8 (#​344, #​349)
• BREAKING: postcss is now a peerDependency, you must install it seperately (#​344, #​349)
• Upgrade dependencies (#​340)

v7.1.2

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• Make --version machine-readable (#​334, #​335)
• Organize and clarify --help text (#​336)
• Update dependencies

v7.1.1

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• Fix bug where external source maps were not properly generated (#​324)
• Update dependencies

v7.1.0

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• Respect map.annotation option when set to a string (#​307)

v7.0.0

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• BREAKING: Drop support for Node 6 & 8
• Update globby, which may be a breaking change for a small number of users using certain glob patterns, see https://github.com/mrmlnc/fast-glob#pattern-syntax for details (#​303)
• Update dependencies

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