Bump bleach from 3.1.1 to 3.1.4 in /Flask/Flask04/burlesco70/webapp

Bumps [bleach](https://github.com/mozilla/bleach) from 3.1.1 to 3.1.4.
- [Release notes](https://github.com/mozilla/bleach/releases)
- [Changelog](https://github.com/mozilla/bleach/blob/master/CHANGES)
- [Commits](mozilla/bleach@v3.1.1...v3.1.4)

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

Author: dependabot[bot]

Flask/Flask04/burlesco70/webapp/requirements.txt

@@ -2,7 +2,7 @@ alembic==0.9.9
 appnope==0.1.0
 attrs==19.3.0
 backcall==0.1.0
-bleach==3.1.1
+bleach==3.1.4
 certifi==2018.1.18
 click==6.7
 cycler==0.10.0