Changes to Create a sandbox

added the new idle_ttl_ended enum value to the end_reason/anyOf[subschema #1: SandboxEndReason] response property for the response status 201

added the new optional request property idle_ttl_seconds

added the optional property command to the response with the 201 status

added the optional property image to the response with the 201 status

added the new optional request property resources/anyOf[subschema #1: SandboxResources]/shm_gb

response property ttl_ends_at list-of-types was widened by adding types null to media type application/json of response 201

added the new optional request property egress

added the new optional request property idle

the request property ttl_seconds became optional

request property ttl_seconds list-of-types was widened by adding types null to media type application/json

added the new platform_error enum value to the instances/anyOf[subschema #1]/items/failure_reason/anyOf[subschema #1: SandboxFailureReason] response property for the response status 201

endpoint added