deps(npm): bump shadcn from 4.0.2 to 4.0.8 in /prompt-babbler-app

Bumps [shadcn](https://github.com/shadcn-ui/ui/tree/HEAD/packages/shadcn) from 4.0.2 to 4.0.8.
- [Release notes](https://github.com/shadcn-ui/ui/releases)
- [Changelog](https://github.com/shadcn-ui/ui/blob/main/packages/shadcn/CHANGELOG.md)
- [Commits](https://github.com/shadcn-ui/ui/commits/[email protected]/packages/shadcn)

---
updated-dependencies:
- dependency-name: shadcn
  dependency-version: 4.0.8
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

prompt-babbler-app/package.json

@@ -60,7 +60,7 @@
     "globals": "^16.5.0",
     "jest-axe": "^10.0.0",
     "jsdom": "^28.1.0",
-    "shadcn": "^4.0.2",
+    "shadcn": "^4.0.8",
     "tw-animate-css": "^1.4.0",
     "typescript": "~5.9.3",
     "typescript-eslint": "^8.57.0",