Changes to List cluster nodes.

the endpoint scheme security ApiKeyAuth was added to the API

added the non-success response with the status 401

added the non-success response with the status 403

added the non-success response with the status 429

added the non-success response with the status 500

added the optional property items/bootId to the response with the 200 status

added the optional property items/csrPem to the response with the 200 status

added the optional property items/diskCordonedAt to the response with the 200 status

added the optional property items/reservedDiskGb to the response with the 200 status

added the optional property items/smolvmVersion to the response with the 200 status