chore(deps): update dependency autoprefixer to v9.8.8

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
autoprefixer	9.6.1 -> 9.8.8

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Release Notes

postcss/autoprefixer (autoprefixer)

v9.8.8

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• Replaced nanocolors with picocolors.
• Reduced package size.

v9.8.7

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• Replaced colorette with nanocolors.
• Reduced package size.

v9.8.6

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• Fixed env option.

v9.8.5

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• Improved Grid Layout warnings (by Daniel Tonon).
• Fixed align-self and justify-self with display: flex (by Daniel Tonon).

v9.8.4

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• Replace color output library.

v9.8.3

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• Return old non-LTS Node.js versions to avoid breaking changes.

v9.8.2

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• Remove Node.js 13.0-13.7 from supported engines, because of buggy ESM support.

v9.8.1

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• Replace chalk to kleur (by Luke Edwards).
• Update docs (by @​mbomb007).

v9.8.0: 9.8 “Vigilo Confido”

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Autoprefixer 9.8 brings IE support for :placeholder-shown.

Placeholder Shown

@​tkrotoff found that input:placeholder-shown can be emulated with input:-ms-input-placeholder.

input:-ms-input-placeholder {
  box-shadow: 0 0 0 1px blue;
}

input:placeholder-shown {
  box-shadow: 0 0 0 1px blue;
}

Note, that we already had support for ::placeholder. Selector ::placeholder is for the text of the placeholder. :placeholder-shown is for the input, where placeholder text is shown. In ::placeholder you can’t change the border or size of the <input>.

v9.7.6

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• Revert -webkit-stretch fix.

v9.7.5

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• Fix -webkit-stretch support.

v9.7.4

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• Fix warning text (by Dmitry Ishkov).

v9.7.3

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• Fix compatibility with PostCSS Modules.

v9.7.2

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• Add -ms-user-select: element support.
• Add funding link for npm fund.

v9.7.1

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• Avoid unnecessary transitions in prefixed selectors (by Andrey Alexandrov).
• Fix fit-content for Firefox.

v9.7.0: 9.7 “Ad Victoriam”

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Autoprefixer 9.7 brings AUTOPREFIXER_GRID environment variable and huge performance improvments.

Grid Environment Variable

Autoprefixer can add CSS Grid polyfills for IE. You need to manually enable it to prove that you understand the limits of polyfill.

In previous versions you can enable Grid polyfill by grid: 'autoplace' option or by /* autoprefixer grid: autoplace */ control comment. But in some cases, developers were not able to use both methods. For instance, during work with Material UI’ CSS-in-JS in Create React App.

Now Autoprefixer supports environment variable to enable CSS Grid polyfill:

AUTOPREFIXER_GRID=autoplace npm build

Performance Improvements

@​Knagis found that Browserslist takes 70% of the Autoprefixer time.

We did a lot of improvements in Browserslist and now Autoprefixer should work much faster.

Other

• Fix Cannot read property 'grid' of undefined error

v9.6.5

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• Fix selector prefixing (by Andrey Alexandrov).

v9.6.4

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• Now the real fix for 'startsWith' of undefined error.

v9.6.3

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• Fix Cannot read property 'startsWith' of undefined error.

v9.6.2

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• Fix false Replace fill to stretch warning.

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