Update SkuName based on https://portal.microsofticm.com/imp/v5/incide…

[VigneshB-Microsoft]

Update SkuName based on https://portal.microsofticm.com/imp/v5/incidents/details/549076202/summary

[learn-build-service-prod[bot]]

Learn Build status updates of commit 6a1aed5:

:white_check_mark: Validation status: passed

File	Status	Preview URL	Details
docs-ref-autogen/@azure/arm-redisenterprisecache/SkuName.yml	:white_check_mark:Succeeded	View (azure-node-latest)

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