Add migration to the VERSION-HISTORY.txt
Add migration to the VERSION-HISTORY.txt

RichardKnop/digitalmarketplace-api,alphagov/digitalmarketplace-api,RichardKnop/digitalmarketplace-api,RichardKnop/digitalmarketplace-api,mtekel/digitalmarketplace-api,mtekel/digitalmarketplace-api,alphagov/digitalmarketplace-api,RichardKnop/digitalmarketplace-api,mtekel/digitalmarketplace-api,alphagov/digitalmarketplace-api,mtekel/digitalmarketplace-api