Bump gevent from 22.10.2 to 23.9.0

Bumps [gevent](https://github.com/gevent/gevent) from 22.10.2 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@22.10.2...23.9.0)

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

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

requirements.txt

@@ -4,7 +4,7 @@ whitenoise==5.3.0
 git+https://github.com/dbca-wa/dbca-utils.git#egg=dbca-utils
 aws-requests-auth==0.4.3
 gunicorn==21.2.0
-gevent==22.10.2
+gevent==23.9.0
 django-encrypted-model-fields==0.6.5
 ipaddress==1.0.23
 django-model-utils==4.3.1