Update packages/redis/README.md (#2935)

* copy root readme into redis readme

* fix links

* update supported versions

* update supported versions

Author: nkaradzhov

README.md

@@ -288,11 +288,9 @@ Node Redis is supported with the following versions of Redis:
 | Version | Supported          |
 | ------- | ------------------ |
 | 8.0.z   | :heavy_check_mark: |
-| 7.0.z   | :heavy_check_mark: |
-| 6.2.z   | :heavy_check_mark: |
-| 6.0.z   | :heavy_check_mark: |
-| 5.0.z   | :heavy_check_mark: |
-| < 5.0   | :x:                |
+| 7.4.z   | :heavy_check_mark: |
+| 7.2.z   | :heavy_check_mark: |
+| < 7.2   | :x:                |
 
 > Node Redis should work with older versions of Redis, but it is not fully tested and we cannot offer support.