Update govuk-lint to 0.1.2
Update govuk-lint to 0.1.2

Fixes builds hanging

robinwhittleton/whitehall,ggoral/whitehall,askl56/whitehall,YOTOV-LIMITED/whitehall,hotvulcan/whitehall,alphagov/whitehall,askl56/whitehall,YOTOV-LIMITED/whitehall,ggoral/whitehall,robinwhittleton/whitehall,YOTOV-LIMITED/whitehall,alphagov/whitehall,ggoral/whitehall,askl56/whitehall,hotvulcan/whitehall,hotvulcan/whitehall,alphagov/whitehall,alphagov/whitehall,ggoral/whitehall,robinwhittleton/whitehall,hotvulcan/whitehall,YOTOV-LIMITED/whitehall,askl56/whitehall,robinwhittleton/whitehall