Changes to List billing product prices

added the new optional query request parameter interval_count

added the optional property params/interval_count to the response with the 200 status

for the query request parameter limit, the max was set to 250.00

for the query request parameter limit, the min was set to 0.00

added the new optional query request parameter plan_version_id

added the optional property params/plan_version_id to the response with the 200 status

added the new metronome enum value to the data/items/provider_type response property for the response status 200

added the new metronome enum value to the params/provider_type response property for the response status 200

added the new enum value metronome to the query request parameter provider_type