chore: update demo next & react deps

Author: nd0ut

example/next.config.js

@@ -1,4 +1,8 @@
 /** @type {import('next').NextConfig} */
 module.exports = {
-  reactStrictMode: true
+  reactStrictMode: true,
+  images: {
+    loader: 'custom',
+    loaderFile: "./node_modules/@uploadcare/nextjs-loader/build/loader.js",
+  },
 }

example/package.json

@@ -11,16 +11,16 @@
   },
   "dependencies": {
     "@uploadcare/nextjs-loader": "link:../",
-    "next": "^12.1.6",
-    "react": "^18.1.0",
-    "react-dom": "^18.1.0",
+    "next": "^13.0.4",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
     "yarn": "^1.22.18"
   },
   "devDependencies": {
     "@types/node": "^17.0.40",
-    "@types/react": "^18.0.12",
+    "@types/react": "^18.0.25",
     "eslint": "^8.17.0",
-    "eslint-config-next": "^12.1.6",
+    "eslint-config-next": "^13.0.4",
     "typescript": "^4.7.3"
   }
 }