Bump toolkit to 3.2.2

Associated with (though they don't need to be merged simultaneously):

https://github.com/alphagov/business-support-finder/pull/31
https://github.com/alphagov/calendars/pull/37
https://github.com/alphagov/feedback/pull/53
https://github.com/alphagov/licence-finder/pull/36
https://github.com/alphagov/smart-answers/pull/466
https://github.com/alphagov/trade-tariff-frontend/pull/80
https://github.com/alphagov/transaction-wrappers/pull/28