[BUG] Default XRAY Autoscaler provides a memory option but isn't used

[kenzliang]

Is this a request for help?:

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Is this a BUG REPORT or FEATURE REQUEST? (choose one): BUG

Version of Helm and Kubernetes:

Which chart:
XRAY

Which product license (Enterprise/Pro/oss):
Enterprise

JFrog support reference (if already raised with support team):
none

What happened:
Autoscaling declares a memory utilization metric targetMemoryUtilizationPercentage to scale on but diving into xray-hpa-server.yaml, there is no block that scales on the memory declaration.

What you expected to happen:
KEDA should get its own memory declaration and the option to define targetMemoryUtilizationPercentage under autoscaling should be removed or implemented.

How to reproduce it (as minimally and precisely as possible):

Anything else we need to know: