Bump cookie and @azure/functions in /example

Bumps [cookie](https://github.com/jshttp/cookie) to 0.7.2 and updates ancestor dependency [@azure/functions](https://github.com/Azure/azure-functions-nodejs-library). These dependencies need to be updated together.


Updates `cookie` from 0.6.0 to 0.7.2
- [Release notes](https://github.com/jshttp/cookie/releases)
- [Commits](jshttp/cookie@v0.6.0...v0.7.2)

Updates `@azure/functions` from 4.4.0 to 4.6.0
- [Release notes](https://github.com/Azure/azure-functions-nodejs-library/releases)
- [Commits](Azure/azure-functions-nodejs-library@v4.4.0...v4.6.0)

---
updated-dependencies:
- dependency-name: cookie
  dependency-type: indirect
- dependency-name: "@azure/functions"
  dependency-type: direct:production
...

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

example/package.json

@@ -25,7 +25,7 @@
         "typescript": "^4.4.3"
     },
     "dependencies": {
-        "@azure/functions": "4.4.0",
+        "@azure/functions": "4.6.0",
         "@types/node": "^18.11.18",
         "joi": "^17.13.3"
     },