Bump redis from 4.3.3 to 4.5.3

Bumps [redis](https://github.com/redis/redis-py) from 4.3.3 to 4.5.3.
- [Release notes](https://github.com/redis/redis-py/releases)
- [Changelog](https://github.com/redis/redis-py/blob/master/CHANGES)
- [Commits](redis/redis-py@v4.3.3...v4.5.3)

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

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

Author: dependabot[bot]

requirements.txt

@@ -3,7 +3,7 @@ Werkzeug==2.1.2
 
 # Runtime dependencies
 Flask==2.1.2
-redis==4.3.3
+redis==4.5.3
 python-dotenv==0.20.0
 
 # Runtime tools