Update Apache avro 1.10.1 (released 2020-12-03)2020-12-07: Release Note generation of avro is outdated
Closing as there is already a ticket about upgrading Avro, which hasn't been fixed yet, so can skip 1.9 and move to 1.10 directly. If we do the upgrade.
See HSEARCH-3650. Please move any further discussion there.