chore: update next js

Author: brijr

package.json

@@ -22,7 +22,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "lucide-react": "^0.469.0",
-    "next": "^15.1.6",
+    "next": "^15.2.1",
     "next-themes": "^0.4.4",
     "query-string": "^9.1.1",
     "react": "19.0.0-rc.1",