squash: update the express example to the latest sdk

Author: lholmquist

examples/express-ex/index.js

@@ -1,7 +1,7 @@
 /* eslint-disable no-console */
 
 const express = require("express");
-const { HTTPReceiver } = require("../../src");
+const { HTTPReceiver } = require("cloudevents-sdk");
 
 const app = express();
 const receiver = new HTTPReceiver();

examples/express-ex/package.json

@@ -14,7 +14,7 @@
   "author": "[email protected]",
   "license": "Apache-2.0",
   "dependencies": {
-    "cloudevents-sdk": "~1.0.0",
+    "cloudevents-sdk": "~2.0.1",
     "express": "^4.17.1"
   }
 }