[AutoPR @azure/arm-appcontainers] Update readme for Microsoft.App#9774

azure-sdk wants to merge 1 commit intomainazure-sdk/azure-sdk-for-js:mainfrom

sdkAuto/28996/@azure_arm-appcontainersazure-sdk/azure-sdk-for-js:sdkAuto/28996/@azure_arm-appcontainersCopy head branch name to clipboard