chore(deps): update dependency postcss to v8.4.34 [security]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
postcss (source)	`8.4.33` -> `8.4.34`

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.

Release Notes

postcss/postcss (postcss)

### [`v8.4.34`](https://redirect.github.com/postcss/postcss/blob/HEAD/CHANGELOG.md#8434) [Compare Source](https://redirect.github.com/postcss/postcss/compare/8.4.33...8.4.34) - Fixed `AtRule#nodes` type (by Tim Weißenfels). - Cleaned up code (by Dmitry Kirillov).

Configuration

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SocialGouv / code-du-travail-numerique