Bump commander from 2.20.3 to 9.4.1 in /example/zoo

Bumps [commander](https://github.com/tj/commander.js) from 2.20.3 to 9.4.1.
- [Release notes](https://github.com/tj/commander.js/releases)
- [Changelog](https://github.com/tj/commander.js/blob/master/CHANGELOG.md)
- [Commits](tj/commander.js@v2.20.3...v9.4.1)

---
updated-dependencies:
- dependency-name: commander
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

example/zoo/package.json

@@ -7,7 +7,7 @@
     "eslint-plugin-import": "^2.18.2"
   },
   "dependencies": {
-    "commander": "^2.9.0",
+    "commander": "^9.4.1",
     "express": "^4.15.2",
     "express-basic-auth": "^1.0.1",
     "lightstep-tracer": "^0.20.2",