build(deps): bump jupyter-server from 1.24.0 to 2.7.3

Bumps [jupyter-server](https://github.com/jupyter-server/jupyter_server) from 1.24.0 to 2.7.3.
- [Release notes](https://github.com/jupyter-server/jupyter_server/releases)
- [Changelog](https://github.com/jupyter-server/jupyter_server/blob/main/CHANGELOG.md)
- [Commits](jupyter-server/jupyter_server@v1.24.0...v2.7.3)

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

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

setup.py

@@ -43,7 +43,7 @@
         'agrc-supervisor==3.0.*',
         #: pinned versions to avoid backtracking
         'jupyterlab==3.6.5',
-        'jupyter-server==1.24.0',
+        'jupyter-server==2.7.3',
         'ipykernel==6.24.0',
         'ypy-websocket==0.8.2'
     ],