Bump gevent from 23.7.0 to 23.9.0

Bumps [gevent](https://github.com/gevent/gevent) from 23.7.0 to 23.9.0.
- [Release notes](https://github.com/gevent/gevent/releases)
- [Changelog](https://github.com/gevent/gevent/blob/master/docs/changelog_pre.rst)
- [Commits](gevent/gevent@23.7.0...23.9.0)

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

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

Pipfile

@@ -15,7 +15,7 @@ flask = "==3.0.0"
 flask-cors = "==4.0.0"
 flask-restful = ">=0.3.9"
 flask-socketio = "==5.3.6"
-gevent = "==23.7.0"
+gevent = "==23.9.0"
 gevent-websocket = "==0.10.1"
 gitignore-parser = "==0.1.1"
 kthread = "==0.2.3"