fix(deps): update dependency next to v15.4.6

Author: renovate[bot]

package-lock.json

@@ -24,7 +24,7 @@
     "@libsql/client": "^0.15.1",
     "clsx": "^2.1.1",
     "drizzle-orm": "^0.44.0",
-    "next": "15.3.3",
+    "next": "15.4.6",
     "next-auth": "^5.0.0-beta.25",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",