Extend Loki logs retention to at least 3 months

1. Proposed title of this feature request

Extend Loki logs retention to at least 3 months

2. What is the nature and description of the request?

Need to increase supported logs retention in Loki to at least 3 months

3. Why does the customer need this? (List the business requirements here)

Customer has legal requirement to store application logs for at least 3 months

4. List any affected packages or components.

OpenShift Logging - Loki