Bump gunicorn from 20.1.0 to 22.0.0 in /lib/fileshare

Bumps [gunicorn](https://github.com/benoitc/gunicorn) from 20.1.0 to 22.0.0.
- [Release notes](https://github.com/benoitc/gunicorn/releases)
- [Commits](benoitc/gunicorn@20.1.0...22.0.0)

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

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

Author: dependabot[bot]

lib/fileshare/requirements.txt

@@ -2,4 +2,4 @@ click==8.1.7
 Flask==3.0.0
 Flask-Compress==1.14
 Flask-Cors==4.0.0
-gunicorn==20.1.0
+gunicorn==22.0.0