Changes to List GMV Max campaigns

api operation id list_campaigns_gmv_max_campaigns_get removed and replaced with gmv_max_campaigns_list

added the new optional query request parameter page

added the new optional query request parameter page_size

added the non-success response with the status 422

added the optional property currency to the response with the 200 status

added the optional property data/items/target_roas to the response with the 200 status

added the optional property pagination to the response with the 200 status

added subschema #1 to the data/items/shopping_ads_type response property anyOf list for the response status 200

added subschema #1 to the data/items/status response property anyOf list for the response status 200

response property data/items/roas_bid deprecated