fix(scripts-update-release-notes): properly handle git for-each-ref cmd call to not fail release notes update#27757

Hotell merged 2 commits intomicrosoft:mastermicrosoft/fluentui:masterfrom

Hotell:hotell/release/fix-v8-release-notes-updateHotell/fluentui:hotell/release/fix-v8-release-notes-updateCopy head branch name to clipboard