TT-981: changed a link on the failed uplift page
TT-981: changed a link on the failed uplift page

The link to 'Find another company to verify you' changed from /start to /about-choosing-a-company.

Authors: f9600b5ff3a88c39ec53387087f670df463910ce@hugh-emerson

alphagov/verify-frontend,alphagov/verify-frontend,alphagov/verify-frontend,alphagov/verify-frontend