Bump redis from 4.3.4 to 4.4.4

Bumps [redis](https://github.com/redis/redis-py) from 4.3.4 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@v4.3.4...v4.4.4)

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

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

Author: dependabot[bot]

requirements.txt

@@ -3,4 +3,4 @@ Django==2.2.28
 factory-boy==2.8.1
 fakeredis==1.8.1
 mock==4.0.3
-redis==4.3.4
+redis==4.4.4

setup.py

@@ -26,7 +26,7 @@ def read(fname):
     classifiers=[
         "Topic :: Utilities",
     ],
-    install_requires=["Django==2.2.28", "redis==4.3.4"],
+    install_requires=["Django==2.2.28", "redis==4.4.4"],
     include_package_data=True,
     zip_safe=False,
 )