avro

Bump jmh.version from 1.21 to 1.26 in /lang/java

Bumps `jmh.version` from 1.21 to 1.26.

Updates `jmh-core` from 1.21 to 1.26

Updates `jmh-generator-annprocess` from 1.21 to 1.26

Signed-off-by: dependabot[bot] <support@github.com>