Fix CocoaPods tag reference. (#800)
Fix CocoaPods tag reference. (#800)

The old reference referred to tags with the form "16.0.0", but we use "v16.0.0".
Eccelor/material-components-ios,willlarche/material-components-ios,willlarche/material-components-ios,chriscox/material-components-ios,material-components/material-components-ios,randallli/material-components-ios,samnm/material-components-ios,randallli/material-components-ios,chriscox/material-components-ios,sigito/material-components-ios,brianjmoore/material-components-ios,randallli/material-components-ios,Eccelor/material-components-ios,chriscox/material-components-ios,chriscox/material-components-ios,sigito/material-components-ios,Eccelor/material-components-ios,brianjmoore/material-components-ios,chriscox/material-components-ios,samnm/material-components-ios,material-components/material-components-ios,brianjmoore/material-components-ios,sigito/material-components-ios,brianjmoore/material-components-ios,willlarche/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,samnm/material-components-ios,samnm/material-components-ios,randallli/material-components-ios,brianjmoore/material-components-ios,randallli/material-components-ios,Eccelor/material-components-ios,sigito/material-components-ios,willlarche/material-components-ios,randallli/material-components-ios,Eccelor/material-components-ios,sigito/material-components-ios,willlarche/material-components-ios,material-components/material-components-ios,samnm/material-components-ios