Bump redis from 3.5.3 to 4.1.1

Bumps [redis](https://github.com/redis/redis-py) from 3.5.3 to 4.1.1.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](redis/redis-py@3.5.3...v4.1.1)

---
updated-dependencies:
- dependency-name: redis
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

requirements.txt

@@ -14,6 +14,8 @@ coverage==5.5
     # via pytest-cov
 croniter==0.3.34
     # via -r requirements.in
+deprecated==1.2.13
+    # via redis
 flake8==3.9.2
     # via
     #   -r requirements.in
@@ -25,6 +27,7 @@ importlib-metadata==4.6.1
     #   flake8
     #   pluggy
     #   pytest
+    #   redis
 iniconfig==1.1.1
     # via pytest
 isort==5.9.3
@@ -34,7 +37,9 @@ mccabe==0.6.1
 natsort==7.1.1
     # via croniter
 packaging==21.0
-    # via pytest
+    # via
+    #   pytest
+    #   redis
 pip-tools==5.3.1
     # via -r requirements.in
 pluggy==0.13.1
@@ -60,7 +65,7 @@ python-dateutil==2.8.2
     # via croniter
 pytz==2021.3
     # via -r requirements.in
-redis==3.5.3
+redis==4.1.1
     # via -r requirements.in
 six==1.16.0
     # via
@@ -74,6 +79,8 @@ toml==0.10.2
     #   pytest-cov
 typing-extensions==3.10.0.0
     # via importlib-metadata
+wrapt==1.13.3
+    # via deprecated
 zipp==3.5.0
     # via importlib-metadata