v14.9.0 - Update x-follow-button to use n-myft-ui v37

What's Changed

• [AT-6904] Update n-myft-ui to support v37 which removes o-errors by @rashedul-hassan-app in #817

The latest change on n-myft-ui involves removal of @financial-times/o-errors package.

Full Changelog: v14.8.9...v14.9.0