fix(deps): update dependency flask to v2.2.5 [security]

Author: renovate-bot

docker-image/locust-tasks/requirements.txt

@@ -4,7 +4,7 @@ chardet==4.0.0
 charset-normalizer==2.0.12
 click==8.1.2
 ConfigArgParse==1.5.3
-Flask==2.1.1
+Flask==2.2.5
 Flask-BasicAuth==0.2.0
 Flask-Cors==3.0.10
 gevent==21.12.0