fix(deps): update dependency gunicorn to v23 (#413)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

server/pyproject.toml

@@ -14,7 +14,7 @@ python = "^3.10"                                        # specify your Python ve
 apiflask = "^2.1.1"
 flask = "^3.0.3"
 flask-pymongo = "^2.3.0"
-gunicorn = "^22.0.0"
+gunicorn = "^23.0.0"
 gevent = "^24.2.1"
 prometheus-client = "^0.21.0"
 pyyaml = "^6.0.1"