avro

Bump netty-bom from 4.1.63.Final to 4.1.65.Final in /lang/java (#1231)

Bumps [netty-bom](https://github.com/netty/netty) from 4.1.63.Final to 4.1.65.Final.
- [Release notes](https://github.com/netty/netty/releases)
- [Commits](https://github.com/netty/netty/compare/netty-4.1.63.Final...netty-4.1.65.Final)

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