Don't use labels for branch names creation in the backport bot#9243

EgorPopelyaev merged 1 commit intoparitytech:masterparitytech/polkadot-sdk:masterfrom

EgorPopelyaev:ep-fix-backport-pipelineEgorPopelyaev/polkadot-sdk:ep-fix-backport-pipelineCopy head branch name to clipboard