update example package

Author: ivandotv

example/package.json

@@ -14,7 +14,7 @@
     "koa": "^2.13.4",
     "koa-body": "^5.0.0",
     "next": "12.1.6",
-    "nextjs-koa-api": "workspace:^1.0.0",
+    "nextjs-koa-api": "^1.0.0",
     "on-finished": "^2.4.1",
     "react": "18.1.0",
     "react-dom": "18.1.0"