[AutoPR @azure/arm-network] Add Network Preview Version 2022-04-01-preview#447

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

sdkAuto/18911/@azure_arm-networkazure-sdk/azure-sdk-for-js:sdkAuto/18911/@azure_arm-networkCopy head branch name to clipboard