Changes to Refresh agent snapshot

added the required property anyOf[subschema #2]/tracking_issue to the response with the 503 status

the mandatory response header Retry-After removed for the status 503

removed the required property anyOf[subschema #2]/retry_after from the response with the 503 status

added the new refresh_authorization_provenance_required enum value to the anyOf[subschema #2]/code response property for the response status 503

added the required property anyOf[subschema #2]/alternative_action to the response with the 503 status

added the required property anyOf[subschema #2]/alternative_description to the response with the 503 status

added the required property anyOf[subschema #2]/applies_to to the response with the 503 status

added the required property anyOf[subschema #2]/retryable to the response with the 503 status

added the required property anyOf[subschema #2]/scope to the response with the 503 status

the response's body type changed from object to no type for status 503

removed the required property error from the response with the 503 status

added subschema #1 subschema #2 to the response body anyOf list for the response status 503

added the optional property compliance/provenance to the response with the 200 status

added the optional property compliance/completeness to the response with the 200 status

added the optional property compliance/is_authoritative to the response with the 200 status

added the new optional header request parameter Prefer

added the non-success response with the status 500

added the non-success response with the status 503

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

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

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

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

added the required property compliance/auth_available to the response with the 200 status

added the success response with the status 202

added optional request body