Update nextjs monorepo to v15.4.4

Author: renovate[bot]

package.json

@@ -47,7 +47,7 @@
     "@types/react": "19.1.2",
     "@types/react-dom": "19.1.2",
     "eslint": "^9.24.0",
-    "eslint-config-next": "15.3.0",
+    "eslint-config-next": "15.4.4",
     "eslint-plugin-react": "^7.37.5",
     "eslint-plugin-react-hooks": "^5.2.0",
     "prettier": "^3.5.3",