[Snyk] Upgrade clean-css from 4.1.9 to 4.2.4

[tcotidiane33]

This PR was automatically created by Snyk using the credentials of a real user.

Snyk has created this PR to upgrade clean-css from 4.1.9 to 4.2.4.

ℹ️ Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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• The recommended version is 7 versions ahead of your current version.
• The recommended version was released 2 years ago, on 2021-10-21.

The recommended version fixes:

Severity	Issue	PriorityScore (*)	Exploit Maturity
	Uninitialized Memory Exposure npm:stringstream:20180511	646/1000 Why? Mature exploit, Has a fix available, CVSS 5.2	Mature
	Prototype Pollution SNYK-JS-TOUGHCOOKIE-5672873	646/1000 Why? Mature exploit, Has a fix available, CVSS 5.2	Proof of Concept
	Regular Expression Denial of Service (ReDoS) SNYK-JS-UGLIFYJS-1727251	646/1000 Why? Mature exploit, Has a fix available, CVSS 5.2	No Known Exploit
	Prototype Pollution SNYK-JS-MINIMIST-559764	646/1000 Why? Mature exploit, Has a fix available, CVSS 5.2	Proof of Concept
	Prototype Pollution SNYK-JS-MINIMIST-2429795	646/1000 Why? Mature exploit, Has a fix available, CVSS 5.2	Proof of Concept

(*) Note that the real score may have changed since the PR was raised.

Release notes

Package name: clean-css

• 4.2.4 - 2021-10-21
  

  Version 4.2.4.

• 4.2.3 - 2020-01-28
• 4.2.2 - 2020-01-25
• 4.2.1 - 2018-08-07
• 4.2.0 - 2018-08-02
• 4.1.11 - 2018-03-06
• 4.1.10 - 2018-03-05
• 4.1.9 - 2017-09-19

from clean-css GitHub release notes

Commit messages

Package name: clean-css

• bf0c501 Version 4.2.4.
• d76fb36 Backports correct decimal point regex from 5.x branch.
• 5f8fdfd Backports prototype pollution fix from 5.x branch.
• a369559 Fixes failing protocol import tests.
• d0ad142 Version 4.2.3.
• f47397c Fixes #1106 - regression in handling RGBA and HSLA colors.
• a75f942 Bumps web interface to version 4.2.2.
• 58d80f8 Version 4.2.2.
• e79454c Adds missing changelog entries.
• e1410e4 fix(colors): convert rgba/hsla to rgb/hsl if opacity is >= 1 (#1083)
• 9b1ed5b Prevent unquoting on grid elements (#1085)
• 31379cd Fix local fonts with colors in name (#1077)
• da25f4f Prevent error if property block has no value (level 0) (#1061)
• b01dd75 Bumps web interface to version 4.2.1.
• 87a8722 Version 4.2.1.
• b7da0d1 Fixes giving `breakWith` option via a string.
• e14931a Bumps web interface to version 4.2.0.
• 9dd091f Version 4.2.0.
• 59bf990 Fixes #964 - allows for configurable line breaks.
• 48808f7 Fixes #1000 - carriage return handling in tokenizer.
• ec259be Fixes #986 - CSS 4 colors in level 2 optimizations.
• 8f52600 Fixes #1036 - double `deepClone` declaration.
• 5603448 Updates changelog - see #1037.
• 88c558a Fix incorrect stripping of quotes in font-variation-settings (#1039)

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