Sync eng/common directory with azure-sdk-tools for PR 1153#15322

azure-sdk merged 4 commits intomasterAzure/azure-sdk-for-python:masterfrom

sync-eng/common-feature/ChangeLogToolsImprovement-1153Azure/azure-sdk-for-python:sync-eng/common-feature/ChangeLogToolsImprovement-1153Copy head branch name to clipboard