Changes to Create a bounded group on one agent definition

endpoint added

api path removed without deprecation

the budget_usd request property's min was set to 0.00

the request property budget_usd became optional

added the new messages enum value to the blocked_reasons/items/reason response property for the response status 202

added the optional property peer_messaging to the response with the 202 status

added the optional property peer_usage to the response with the 202 status

added the new optional request property attempt_budget_usd

added the optional property attempt_budget_usd to the response with the 202 status

added the new optional request property broker_limits

added the optional property broker_limits to the response with the 202 status

added the optional property broker_usage to the response with the 202 status

added the required property blocked_reasons to the response with the 202 status

added the required property cleanup_status to the response with the 202 status

endpoint added