[scripts/release] Fix component extension output in apidiff command. (#5210)
[scripts/release] Fix component extension output in apidiff command. (#5210)

Prior to this change, `Component+Extension` additions would be incorrectly listed as a "New component" in the API diff.

After this change, `Componet+Extension` additions will be listed as "New extension" in the API diff.
material-components/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,material-components/material-components-ios,material-components/material-components-ios