[AutoPR @azure/arm-monitor] [monitor] readme, limit the ResourceGroupNameParameter directive to package-2021-04#5274

openapi-sdkautomation[bot] wants to merge 1 commit intomainAzureSDKAutomation/azure-sdk-for-js:mainfrom

sdkAuto/15019/@azure_arm-monitorAzureSDKAutomation/azure-sdk-for-js:sdkAuto/15019/@azure_arm-monitorCopy head branch name to clipboard