[AutoPR azure-resourcemanager-recoveryservicesbackup] Updating the error response class in Backup API Version 2021-01-01#7424

openapi-sdkautomation[bot] wants to merge 1 commit intomasterAzureSDKAutomation/azure-sdk-for-java:masterfrom

sdkAuto/12872/azure-resourcemanager-recoveryservicesbackupAzureSDKAutomation/azure-sdk-for-java:sdkAuto/12872/azure-resourcemanager-recoveryservicesbackupCopy head branch name to clipboard