Bump redis from 2.10.6 to 4.4.4 in /source/jormungandr

Bumps [redis](https://github.com/redis/redis-py) from 2.10.6 to 4.4.4.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](redis/redis-py@2.10.6...v4.4.4)

---
updated-dependencies:
- dependency-name: redis
  dependency-type: direct:production
...

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

source/jormungandr/requirements.txt

@@ -50,7 +50,7 @@ amqp==2.5.2 ; python_version < "3.9"
 amqp==5.0.6 ; python_version >= "3.9"
 kombu==4.0.2  ; python_version < "3.9"
 kombu==5.0.2  ; python_version >= "3.9"
-redis==2.10.6
+redis==4.4.4
 flexpolyline==0.1.0
 newrelic==2.70.0.51 ; python_version <= "3.6"
 newrelic==6.8.0.163 ; python_version >= "3.9"