Changes to Return the data for all Allocations

added the new singapore enum value to the data/items/allOf[subschema #2]/destination_bank_account/compliance_region response property for the response status 200

added the new singapore enum value to the data/items/allOf[subschema #2]/source_bank_account/compliance_region response property for the response status 200

added the new aggregate_fixed_fees enum value to the data/items/allOf[subschema #2]/bill/kind response property for the response status 200

added the optional property data/items/allOf[subschema #2]/bill/effective_bill_template_id to the response with the 200 status