build(deps): update dependency postcss to v8.5.3 (#11632)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [postcss](https://postcss.org/)
([source](https://redirect.github.com/postcss/postcss)) | [`8.5.2` ->
`8.5.3`](https://renovatebot.com/diffs/npm/postcss/8.5.2/8.5.3) |
[![age](https://developer.mend.io/api/mc/badges/age/npm/postcss/8.5.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/npm/postcss/8.5.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/npm/postcss/8.5.2/8.5.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/postcss/8.5.2/8.5.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>postcss/postcss (postcss)</summary>

###
[`v8.5.3`](https://redirect.github.com/postcss/postcss/blob/HEAD/CHANGELOG.md#853)

[Compare
Source](https://redirect.github.com/postcss/postcss/compare/8.5.2...8.5.3)

- Added more details to `Unknown word` error (by
[@&#8203;hiepxanh](https://redirect.github.com/hiepxanh)).
- Fixed types (by
[@&#8203;romainmenke](https://redirect.github.com/romainmenke)).
- Fixed docs (by
[@&#8203;catnipan](https://redirect.github.com/catnipan)).

</details>

---

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package.json

@@ -100,7 +100,7 @@
     "lerna": "8.1.9",
     "lint-staged": "15.4.3",
     "markdownlint-cli": "0.44.0",
-    "postcss": "8.5.2",
+    "postcss": "8.5.3",
     "prettier": "3.5.1",
     "puppeteer": "23.4.1",
     "react": "18.3.1",