[Platform Limits]: add new customer limit maxGroupsPerCustomer#840

NickDevG wants to merge 1 commit intomaincommercetools/test-data:mainfrom

CUT-1806-soft-limit-for-max-groups-per-customer-on-test-data-repocommercetools/test-data:CUT-1806-soft-limit-for-max-groups-per-customer-on-test-data-repoCopy head branch name to clipboard