avro

Bump jmh.version from 1.30 to 1.31 in /lang/java (#1223)

Bumps `jmh.version` from 1.30 to 1.31.

Updates `jmh-core` from 1.30 to 1.31

Updates `jmh-generator-annprocess` from 1.30 to 1.31

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