Require updated digitalmarketplace-utils version
Require updated digitalmarketplace-utils version

In the near future, digitalmarketplace-utils will be requiring
FeatureFlags in a more normal fashion and we won't need the
dependency on a custom forked FeatureFlags repo.

alphagov/digitalmarketplace-search-api,RichardKnop/digitalmarketplace-search-api,RichardKnop/digitalmarketplace-search-api,RichardKnop/digitalmarketplace-search-api,alphagov/digitalmarketplace-search-api,RichardKnop/digitalmarketplace-search-api