Bump gevent from 22.10.2 to 23.9.1 in /ui (#2433)

Bumps [gevent](https://github.com/gevent/gevent) from 22.10.2 to 23.9.1.
- [Release notes](https://github.com/gevent/gevent/releases)
- [Changelog](https://github.com/gevent/gevent/blob/master/docs/changelog_pre.rst)
- [Commits](gevent/gevent@22.10.2...23.9.1)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

ui/requirements.txt

@@ -5,7 +5,7 @@ click==8.1.3
 Flask-OAuthlib==0.9.6
 Flask==2.3.2
 furl==2.1.3
-gevent==22.10.2
+gevent==23.9.1
 jq==1.4.0
 json_delta>=2.0.2
 kubernetes==11.0.0