build(deps): bump postcss from 8.5.1 to 8.5.3 (#513)

Bumps [postcss](https://github.com/postcss/postcss) from 8.5.1 to 8.5.3.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.5.1...8.5.3)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -47,7 +47,7 @@
     "lucide-react": "^0.471.0",
     "next": "^15.1.6",
     "next-navigation": "^1.0.6",
-    "postcss": "8.5.1",
+    "postcss": "8.5.3",
     "react": "^18.3.1",
     "react-beautiful-dnd": "^13.1.1",
     "react-bootstrap": "^2.10.6",