Upgrade dependencies in package.json and update next, eslint, and related packages

package.json

@@ -13,7 +13,7 @@
     "@simplewebauthn/server": "^13.3.2",
     "bcryptjs": "^3.0.3",
     "jose": "^6.1.0",
-    "next": "16.2.12",
+    "next": "^9.3.3",
     "react": "19.2.4",
     "react-dom": "19.2.4"
   },
@@ -22,8 +22,8 @@
     "@types/node": "^22",
     "@types/react": "^19",
     "@types/react-dom": "^19",
-    "eslint": "^9",
-    "eslint-config-next": "16.2.12",
+    "eslint": "^10.8.0",
+    "eslint-config-next": "^0.2.4",
     "tailwindcss": "^4",
     "typescript": "^5"
   }