Bump ai from 4.0.3 to 4.0.6

Bumps [ai](https://github.com/vercel/ai) from 4.0.3 to 4.0.6.
- [Release notes](https://github.com/vercel/ai/releases)
- [Changelog](https://github.com/vercel/ai/blob/main/CHANGELOG.md)
- [Commits](https://github.com/vercel/ai/compare/[email protected]@4.0.6)

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

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

Author: dependabot[bot]

package-lock.json

@@ -38,7 +38,7 @@
     "@tailwindcss/typography": "^0.5.15",
     "@tiptap/html": "^2.10.2",
     "accept-language": "^3.0.20",
-    "ai": "^4.0.3",
+    "ai": "^4.0.6",
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.1",
     "cmdk": "^1.0.4",