[chart/redis-ha][REQUEST] Update to Redis 8.6

[elegant-emma]

Hello,

could you update Redis to Version 8.6-alpine?
The current value reffers to version 8.2.4-alpine.

charts/charts/redis-ha/values.yaml

Line 17 in f4aadb7

tag: 8.2.4-alpine

Ontop HAProxy can be updated too the current stable Image 3.3.5-alpine.

charts/charts/redis-ha/values.yaml

Line 140 in f4aadb7

tag: 3.0.8-alpine