Use `Plek.new` as `current` is deprecated
Use `Plek.new` as `current` is deprecated

This is causing logging noise.

Trello:
https://trello.com/c/LVVUbd4m/1551-replace-plekcurrent-with-pleknew-in-smartanswer

alphagov/smart-answers,alphagov/smart-answers,alphagov/smart-answers,alphagov/smart-answers