Bump express from 4.19.2 to 4.20.0 in /packages/examples

Bumps [express](https://github.com/expressjs/express) from 4.19.2 to 4.20.0.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](expressjs/express@4.19.2...4.20.0)

---
updated-dependencies:
- dependency-name: express
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

packages/examples/package.json

@@ -8,7 +8,7 @@
   "dependencies": {
     "dotenv": "16.4.5",
     "eslint-config-shared": "*",
-    "express": "4.19.2",
+    "express": "4.20.0",
     "ring-client-api": "13.1.0",
     "tsconfig": "*"
   }