Fix bug where scripts/release cut wouldn't extract the API diff changes file properly.
Fix bug where scripts/release cut wouldn't extract the API diff changes file properly.

It was extracting a string with a leading space - this is no longer the case.

randallli/material-components-ios,samnm/material-components-ios,randallli/material-components-ios,material-components/material-components-ios,willlarche/material-components-ios,willlarche/material-components-ios,randallli/material-components-ios,sigito/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,samnm/material-components-ios,sigito/material-components-ios,willlarche/material-components-ios,samnm/material-components-ios,sigito/material-components-ios,samnm/material-components-ios,randallli/material-components-ios,randallli/material-components-ios,samnm/material-components-ios,randallli/material-components-ios,material-components/material-components-ios,sigito/material-components-ios,willlarche/material-components-ios,willlarche/material-components-ios,material-components/material-components-ios,sigito/material-components-ios