chore(deps): Bump redis from 3.4.1 to 3.5.3

Bumps [redis](https://github.com/andymccurdy/redis-py) from 3.4.1 to 3.5.3.
- [Release notes](https://github.com/andymccurdy/redis-py/releases)
- [Changelog](https://github.com/andymccurdy/redis-py/blob/master/CHANGES)
- [Commits](redis/redis-py@3.4.1...3.5.3)

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

Author: dependabot-preview[bot]

requirements.txt

@@ -1,3 +1,3 @@
 requests==2.24.0
 python-dateutil==2.8.1
-redis==3.4.1
+redis==3.5.3