Bump werkzeug from 0.14.1 to 0.15.3 in /Flask/Flask04/burlesco70/webapp

Bumps [werkzeug](https://github.com/pallets/werkzeug) from 0.14.1 to 0.15.3.
- [Release notes](https://github.com/pallets/werkzeug/releases)
- [Changelog](https://github.com/pallets/werkzeug/blob/master/CHANGES.rst)
- [Commits](pallets/werkzeug@0.14.1...0.15.3)

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

Author: dependabot[bot]

Flask/Flask04/burlesco70/webapp/requirements.txt

@@ -67,7 +67,7 @@ traitlets==4.3.3
 visitor==0.1.3
 wcwidth==0.1.8
 webencodings==0.5.1
-Werkzeug==0.14.1
+Werkzeug==0.15.3
 widgetsnbextension==3.5.1
 wincertstore==0.2
 WTForms==2.1