build(deps): bump commander from 7.2.0 to 12.1.0

Bumps [commander](https://github.com/tj/commander.js) from 7.2.0 to 12.1.0.
- [Release notes](https://github.com/tj/commander.js/releases)
- [Changelog](https://github.com/tj/commander.js/blob/master/CHANGELOG.md)
- [Commits](tj/commander.js@v7.2.0...v12.1.0)

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

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

package.json

@@ -9,7 +9,7 @@
     "url": "https://github.com/jupyterhub/configurable-http-proxy.git"
   },
   "dependencies": {
-    "commander": "~7.2",
+    "commander": "~12.1",
     "http-proxy-node16": "1.0.3",
     "prom-client": "14.2.0",
     "strftime": "~0.10.0",