Bump postcss from 8.4.27 to 8.4.29 in /notegraf-web

Bumps [postcss](https://github.com/postcss/postcss) from 8.4.27 to 8.4.29.
- [Release notes](https://github.com/postcss/postcss/releases)
- [Changelog](https://github.com/postcss/postcss/blob/main/CHANGELOG.md)
- [Commits](postcss/postcss@8.4.27...8.4.29)

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

Signed-off-by: dependabot[bot] <support@github.com>

notegraf-web/package.json

@@ -51,7 +51,7 @@
     "@types/react-dom": "^18.2.7",
     "http-proxy-middleware": "^2.0.6",
     "parcel": "^2.8.3",
-    "postcss": "^8.4.27",
+    "postcss": "^8.4.29",
     "process": "^0.11.10",
     "tailwindcss": "^3.3.2",
     "typescript": "^5.0.4"