[AutoPR Azure.ResourceManager.ContainerService] Fix typo about updation in description for containerservice#2199

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

sdkAuto/21930/Azure.ResourceManager.ContainerServiceazure-sdk/azure-sdk-for-net:sdkAuto/21930/Azure.ResourceManager.ContainerServiceCopy head branch name to clipboard