Bump flask-cors from 2.0.0 to 3.0.9

Bumps [flask-cors](https://github.com/corydolphin/flask-cors) from 2.0.0 to 3.0.9.
- [Release notes](https://github.com/corydolphin/flask-cors/releases)
- [Changelog](https://github.com/corydolphin/flask-cors/blob/master/CHANGELOG.md)
- [Commits](corydolphin/flask-cors@2.0.0...3.0.9)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -5,7 +5,7 @@ Flask-Bower==1.0.1
 requests==2.20.0
 Flask-Cache==0.13.1
 requests-cache==0.4.9
-flask-cors==2.0.0
+flask-cors==3.0.9
 Flask-PyMongo==0.3.1
 Flask-Markdown
 MyCapytain==2.0.0b8

setup.py

@@ -13,7 +13,7 @@
         "requests>=2.8.1",
         "Flask-Cache==0.13.1",
         "requests-cache==0.4.9",
-        "flask-cors==2.0.0",
+        "flask-cors==3.0.9",
         "Flask-PyMongo==0.3.1",
         "Flask-Markdown",
         "MyCapytain==2.0.0b8",