Bump itsdangerous from 0.24 to 1.1.0

Bumps [itsdangerous](https://github.com/pallets/itsdangerous) from 0.24 to 1.1.0.
- [Release notes](https://github.com/pallets/itsdangerous/releases)
- [Changelog](https://github.com/pallets/itsdangerous/blob/master/CHANGES.rst)
- [Commits](pallets/itsdangerous@0.24...1.1.0)

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

Author: dependabot-preview[bot]

requirements.txt

@@ -17,7 +17,7 @@ Flask-SQLAlchemy==2.4.0
 Flask-WTF==0.14.2
 guess_language-spirit==0.5.3
 idna==2.6
-itsdangerous==0.24
+itsdangerous==1.1.0
 Jinja2==2.10.1
 Mako==1.1.0
 MarkupSafe==1.0