loki-app release v0.9.2

Changed

• Upgraded upstream chart from 5.5.0 to 5.6.4 - see changelog for more information.
• Gateway HPA defaults to minimum 2 replicas
• Added .loki.enabled in values so we can disable Loki by changing the values
• Adjusted resources requests/limits for read, backend and gateway components
• enabled HPA for read, write and backend
• multi-tenant-proxy: homogeneization of deployment labels
• Pushing to AWS collection