Request for contribution permission

[Simon Su]

Hi all.
I made the JIRA Issues about Hudi Flink Sink. (
*https://issues.apache.org/jira/browse/HUDI-4462
<https://issues.apache.org/jira/browse/HUDI-4462>*
I want to make a contribution. So I request for self-assign for JIRA ticket

Thanks,
Simon