Bump gevent from 24.11.1 to 25.5.1

Bumps [gevent](https://github.com/gevent/gevent) from 24.11.1 to 25.5.1.
- [Release notes](https://github.com/gevent/gevent/releases)
- [Changelog](https://github.com/gevent/gevent/blob/master/docs/changelog_pre.rst)
- [Commits](gevent/gevent@24.11.1...25.5.1)

---
updated-dependencies:
- dependency-name: gevent
  dependency-version: 25.5.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

requirements.txt

@@ -2,7 +2,7 @@ Flask==2.1.3
 itsdangerous==2.1.2
 greenlet==3.1.1
 gunicorn==20.1.0
-gevent==24.11.1
+gevent==25.5.1
 simplejson==3.17.6
 python-dotenv==0.20.0
 requests==2.28.1