Add manual trigger for 'updateRelease'-workflow and use project-bot#2571

HannesWell wants to merge 1 commit intoeclipse-platform:mastereclipse-platform/eclipse.platform.releng.aggregator:masterfrom

HannesWell:enhance-updateRelease-workflowHannesWell/eclipse.platform.releng.aggregator:enhance-updateRelease-workflowCopy head branch name to clipboard