[azureBus] Typescript samples: fix type error & tsconfig.json#20227

fengdi721 wants to merge 1 commit intoAzure:mainAzure/azure-sdk-for-js:mainfrom

fengdi721:hotfix/azurebus-typescript-sample-errorfengdi721/azure-sdk-for-js:hotfix/azurebus-typescript-sample-errorCopy head branch name to clipboard