Update dependency postcss to v8.4.31 [SECURITY]

[renovate-bot]

This PR contains the following updates:

Package	Change	Age	Confidence
postcss (source)	8.4.27 -> 8.4.31

GitHub Vulnerability Alerts

CVE-2023-44270

An issue was discovered in PostCSS before 8.4.31. It affects linters using PostCSS to parse external Cascading Style Sheets (CSS). There may be \r discrepancies, as demonstrated by @font-face{ font:(\r/*);} in a rule.

This vulnerability affects linters using PostCSS to parse external untrusted CSS. An attacker can prepare CSS in such a way that it will contains parts parsed by PostCSS as a CSS comment. After processing by PostCSS, it will be included in the PostCSS output in CSS nodes (rules, properties) despite being originally included in a comment.

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Release Notes

postcss/postcss (postcss)

v8.4.31

Compare Source

• Fixed \r parsing to fix CVE-2023-44270.

v8.4.30

Compare Source

• Improved source map performance (by Romain Menke).

v8.4.29

Compare Source

• Fixed Node#source.offset (by Ido Rosenthal).
• Fixed docs (by Christian Oliff).

v8.4.28

Compare Source

• Fixed Root.source.end for better source map (by Romain Menke).
• Fixed Result.root types when process() has no parser.

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Configuration

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Latest commit: 7d1eae7

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[sourcery-ai]

PR Type: Enhancement

PR Summary: This pull request updates the postcss package from version 8.4.27 to 8.4.31. This update addresses a security vulnerability identified as CVE-2023-44270, which affects the parsing of characters in CSS, potentially leading to the inclusion of parts of the CSS intended as comments in the PostCSS output. The update ensures that postcss and all related dependencies within the project are aligned with the patched version, mitigating the risk associated with the vulnerability.

Decision: Comment

📝 Type: 'Enhancement' - not supported yet.

• Sourcery currently only approves 'Typo fix' PRs.

✅ Issue addressed: this change correctly addresses the issue or implements the desired feature.

No details provided.

✅ Small diff: the diff is small enough to approve with confidence.

No details provided.

General suggestions:

• Ensure thorough testing of CSS processing within the application to verify that the update does not introduce any regressions.
• Consider setting up automated dependency update tools, if not already in place, to promptly address future security vulnerabilities.
• Review other dependencies for potential security vulnerabilities and update them as necessary.

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