Merge branch '327197-docs-redis-5' into 'master'

docs: Update Redis with the minimum version 5.0

See merge request gitlab-org/gitlab!62159

README.md

@@ -81,7 +81,7 @@ GitLab is a Ruby on Rails application that runs on the following software:
 - Ubuntu/Debian/CentOS/RHEL/OpenSUSE
 - Ruby (MRI) 2.7.2
 - Git 2.31+
-- Redis 4.0+
+- Redis 5.0+
 - PostgreSQL 11+
 
 For more information please see the [architecture](https://docs.gitlab.com/ee/development/architecture.html) and [requirements](https://docs.gitlab.com/ee/install/requirements.html) documentation.