Fix the script to upload Tracker Token
Fix the script to upload Tracker Token

We have changed the bucket name a while ago. This script currently
errors out, for a good reason. We'd like to correct that, before we
rotate the token properly.

alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf