[AutoPR Microsoft.Azure.Management.ServiceFabricManagedClusters] update readme#7927

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

sdkAuto/18223/Microsoft.Azure.Management.ServiceFabricManagedClustersAzureSDKAutomation/azure-sdk-for-net:sdkAuto/18223/Microsoft.Azure.Management.ServiceFabricManagedClustersCopy head branch name to clipboard