Bump redis from 2.10.3 to 4.4.4

Bumps [redis](https://github.com/redis/redis-py) from 2.10.3 to 4.4.4.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](https://github.com/redis/redis-py/compare/2.10.3...v4.4.4)

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

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

requirements.txt

@@ -1,2 +1,2 @@
-redis==2.10.3
+redis==4.4.4
 docopt==0.6.2

setup.py

@@ -15,7 +15,7 @@ setup(
     license="MIT",
     scripts=["bin/qw-manager", "bin/qw-client"],
     install_requires=[
-        "redis==2.10.3",
+        "redis==4.4.4",
         "docopt==0.6.2",
     ],
     classifiers=[