chore(gha): add linear-merge-master.yml GitHub workflow#134

ms-bot wants to merge 1 commit intomastermobsuccess-devops/github-actions-mobsuccess:masterfrom

mobsuccessbot/workflow-linear-merge-mastermobsuccess-devops/github-actions-mobsuccess:mobsuccessbot/workflow-linear-merge-masterCopy head branch name to clipboard