Update CSS preprocessors (major)

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
cssnano	5.1.15 -> 6.0.1
postcss-custom-properties (source)	11.0.0 -> 13.2.1
postcss-easy-import	3.0.0 -> 4.0.0

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Release Notes

cssnano/cssnano (cssnano)

v6.0.1: v6.0.1

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Bug Fixes

• fix(postcss-merge-rules): do not merge nested rules (cssnano/cssnano@eb9a9a1)
• fix(postcss-reduce-idents): minify grid line names correctly (cssnano/cssnano@2af6687)

v6.0.0: v6.0.0

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Major Changes

• 99d1e6a: postcss-normalize-url: remove normalize-url configuration options
• 4e272f8: postcss-svgo: Upgrade dependency svgo to v3 and increase the minimum supported node version to v14
• ca9d3f5: Switch minimum supported Node version to 14 for all packages
• 39a2040: feat!(cssnano): remove undocumented YAML config support

Migration instructions

• If you're not happy with the defaults for the normalize-url transform, turn it off completely. Options were removed as most would change the meaning of the URL, which is unexpcted in the case of CSS minification.
• In the unlikely event you're using YAML to configure cssnano, move the cssnano configuration inside the PostCSS config or use a configuration file in CommonJS or JSON format.

csstools/postcss-plugins (postcss-custom-properties)

v13.2.1

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July 3, 2023

• Updated @csstools/css-parser-algorithms to 2.3.0 (minor)
• Updated @csstools/cascade-layer-name-parser to 1.0.3 (patch)

v13.2.0

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June 1, 2023

• Do not generate fallback values when the rule is wrapped in @supports (top: var(--f)).

v13.1.5

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April 10, 2023

• Updated @csstools/css-tokenizer to 2.1.1 (patch)
• Updated @csstools/css-parser-algorithms to 2.1.1 (patch)
• Updated @csstools/cascade-layer-name-parser to 1.0.2 (patch)

v13.1.4

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February 21, 2023

• Fixed: exception on chained variable declarations.

v13.1.3

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February 8, 2023

• Fixed: exception on missing variables.

v13.1.2

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February 7, 2023

• Do not apply fallback values when these contain unresolvable custom properties.

v13.1.1

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January 28, 2023

• Improve types declaration in package.json

v13.1.0

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January 24, 2023

• Added: Support for Cascade Layers.
• Improve plugin performance (port of fixes in v12.1.11)

v13.0.0

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November 14, 2022

• Updated: Support for Node v14+ (major).
• Removed : importFrom feature (breaking).
• Removed : exportTo feature (breaking).
• Added support for local custom property declarations.

.example {
	--a-value: 20px;
	margin: var(--a-value);
}

/* becomes */

.example {
	--a-value: 20px;
	margin: 20px;
	margin: var(--a-value);
}

v12.1.11

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December 1, 2022

• Improve plugin performance

v12.1.10

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October 20, 2022

• Fix how preserve: false interacts with logic around duplicate code (see 12.1.9).

:root {
	--my-order: 1;
}

.foo {
	order: 1;
	order: var(--my-order);
}

/* With `preserve: false` : */

.foo {
	order: 1;
}

v12.1.9

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September 14, 2022

• Prevent duplicate code generation.

.foo {
	order: 1;
	order: var(--my-order, 1);
}

/* becomes */

.foo {
	order: 1;
- 	order: 1;
	order: var(--my-order, 1);
}

v12.1.8

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June 10, 2022

• Remove some unneeded regular expressions.

v12.1.7

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April 8, 2022

• Fix racing condition that could happen when using other async PostCSS plugins (#​331)

v12.1.6

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April 5, 2022

• Fix var() fallback value downgrades with value lists.

v12.1.5

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March 19, 2022

• Add deprecation notice for importFrom and exportTo

see the discussion

v12.1.4

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January 31, 2022

• Fix .mjs in importFrom when using export default
• Fix .mjs in importFrom on Windows

v12.1.3

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January 17, 2022

• Reset plugin state after each process. It is now safe to use the plugin multiple times for different processes or when watching.

v12.1.2

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January 12, 2022

• Fix TypeScript transpilation.
• Avoid throwing errors on unexpected option objects.

v12.1.1

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December 1, 2022

• Improve plugin performance

v12.1.0

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January 12, 2022

• Add overrideImportFromWithRoot option
• Allow .mjs in importFrom
• Converted to TypeScript
• Correct typings for plugin options
• Fix unicode support in custom property names

v12.0.4

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January 7, 2022

• Fixed an issue that was causing synchronous mode to not being able to pick and transform properties that were added as part of the PostCSS flow. (#​132)

v12.0.3

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v12.0.2

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January 2, 2022

• Removed Sourcemaps from package tarball.
• Moved CLI to CLI Package. See announcement.

v12.0.1

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December 16, 2021

• Changed: now uses postcss-value-parser for parsing.
• Updated: documentation

v12.0.0

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September 17, 2021

• Updated: Support for PostCS 8+ (major).
• Updated: Support for Node 12+ (major).

TrySound/postcss-easy-import (postcss-easy-import)

v4.0.0

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• Update postcss to ^8.4.0 (major)
• Update postcss-import to ^14.0.0 (major)
• Update minimum Node version to >=10.0.0 (major)

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