chore(deps): bump next from 15.2.1 to 15.2.2 (#1434)

Bumps [next](https://github.com/vercel/next.js) from 15.2.1 to 15.2.2.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.2.1...v15.2.2)

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

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

Author: dependabot[bot]

package-lock.json

@@ -50,7 +50,7 @@
     "langchain": "0.3.19",
     "markdown-to-txt": "2.0.1",
     "nanoid": "5.1.3",
-    "next": "15.2.1",
+    "next": "15.2.2",
     "next-themes": "0.4.5",
     "openai": "4.86.2",
     "react": "19.0.0",