build(deps-dev): bump postcss from 8.5.1 to 8.5.2

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.1 to 8.5.2.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.1...8.5.2)

---
updated-dependencies:
- dependency-name: postcss
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -50,7 +50,7 @@
         "license-checker": "^25.0.1",
         "lucide-svelte": "^0.475.0",
         "msw": "^2.6.9",
-        "postcss": "^8.4.49",
+        "postcss": "^8.5.2",
         "prettier": "^3.5.0",
         "prettier-plugin-svelte": "^3.3.3",
         "svelte": "^5.20.1",