Amend Brad's username in Puppetfile
Amend Brad's username in Puppetfile

Librarian-Puppet isn't clever enough to follow a 301 until it hits a 200, so
make a 200 straightaway by amending Brad's username. This happens because
Brad's username has changed.

alphagov/gds-boxen,alphagov/gds-boxen,alphagov/gds-boxen