Changes to List connector sync events

added the optional property message to the response with the 400 status

the endpoint scheme security bearerAuth was added to the API

the endpoint scheme security denApiKey was added to the API

added the optional property capability to the response with the 400 status

removed the pattern ^cin_.* from the query request parameter connectorInstanceId

removed the pattern ^ctg_.* from the query request parameter connectorTargetId

the items/items/connectorInstanceId response's property pattern ^cin_.* was removed for the status 200

the items/items/connectorTargetId/anyOf[subschema #1] response's property pattern ^ctg_.* was removed for the status 200

the items/items/id response's property pattern ^cse_.* was removed for the status 200

added the required property items/items/attemptCount to the response with the 200 status

added the required property items/items/nextAttemptAt to the response with the 200 status