Bump flask from 0.12.2 to 1.0 in /Flask/Flask04/burlesco70/webapp

Bumps [flask](https://github.com/pallets/flask) from 0.12.2 to 1.0.
- [Release notes](https://github.com/pallets/flask/releases)
- [Changelog](https://github.com/pallets/flask/blob/master/CHANGES.rst)
- [Commits](pallets/flask@0.12.2...1.0)

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

Author: dependabot[bot]

Flask/Flask04/burlesco70/webapp/requirements.txt

@@ -10,7 +10,7 @@ decorator==4.4.2
 defusedxml==0.6.0
 dominate==2.5.1
 entrypoints==0.3
-Flask==0.12.2
+Flask==1.0
 Flask-Bootstrap==3.3.7.1
 Flask-Migrate==2.1.1
 Flask-SQLAlchemy==2.3.2