fix(deps): update dependency next to v16 [security]

Author: renovate[bot]

package.json

@@ -24,7 +24,7 @@
     "bcryptjs": "^2.4.3",
     "class-variance-authority": "^0.7.0",
     "clsx": "^2.1.1",
-    "next": "15.2.0",
+    "next": "16.0.0",
     "next-auth": "^5.0.0-beta.25",
     "next-themes": "^0.4.0",
     "react": "^19",