Changes to Start an asynchronous disk snapshot of a running Devbox.

added the non-success response with the status 409

the request property commit_message became not nullable

the request property metadata became not nullable

the request property name became not nullable

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

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

added the new optional request property commit_message

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