Implement OCI Cache with API Gateway

Summary:

We have configured OCI cache for API GW, but cache is not being utilised by APIGW

Content (please ensure you mask any confidential information):

We are attempting to configure OCI API GW with OCI Cache (Redis) Clusters. We have created an API GW and Cache cluster in a vcn with public subnet.
Public subnets for the POC, actual env config will utilise private subnets eventually.

API GW advanced config - Cache server host axxxxxxxxxxxxxxxxxxxxxxm6a-p.redis.ap-sydney-1.oci.oraclecloud.com, Port 6379

OCI Vault has been created and a plaintext secret was added with the below value:

{"username":"default", "password":"default"}