Bump jsonschema from 2.6.0 to 3.2.0

Bumps [jsonschema](https://github.com/Julian/jsonschema) from 2.6.0 to 3.2.0.
- [Release notes](https://github.com/Julian/jsonschema/releases)
- [Changelog](https://github.com/Julian/jsonschema/blob/master/CHANGELOG.rst)
- [Commits](python-jsonschema/jsonschema@v2.6.0...v3.2.0)

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

requirements.txt

@@ -40,7 +40,7 @@ phonenumbers==8.9.0
 isort==4.2.15
 beanstalk-dispatch==0.0.5
 jsl==0.2.4
-jsonschema==2.6.0
+jsonschema==3.2.0
 
 # Journalism Workflow requirements
 Pillow==7.0.0