chore: update azure iot extension preview version 0.30.0b2#9754

yanzhudd merged 1 commit intoAzure:mainAzure/azure-cli-extensions:mainfrom

HangyiWang:users/hangyiwang/cms-preview-refreshHangyiWang/azure-cli-extensions:users/hangyiwang/cms-preview-refreshCopy head branch name to clipboard