Sync eng/common directory with azure-sdk-tools for PR 12516#3278

azure-sdk wants to merge 3 commits intomainAzure/azure-sdk-for-rust:mainfrom

sync-eng/common-existing-release-plan-during-creation-12516Azure/azure-sdk-for-rust:sync-eng/common-existing-release-plan-during-creation-12516Copy head branch name to clipboard