Merge remote-tracking branch 'origin/dependabot/pip/requirements/flask-cors-3.0.9'

Author: jlev

requirements/common.txt

@@ -3,7 +3,7 @@ Flask==1.1.1
 Flask-Assets==0.12
 Flask-Babel==0.12.2
 Flask-Caching==1.6.0
-Flask-Cors==3.0.7
+Flask-Cors==3.0.9
 Flask-Jsonpify==1.5.0
 Flask-Limiter==1.1.0
 Flask-Login==0.4.1