avro

Bump javacc from 7.0.10 to 7.0.11 in /lang/java (#1676)

Bumps [javacc](https://github.com/javacc/javacc) from 7.0.10 to 7.0.11.
- [Release notes](https://github.com/javacc/javacc/releases)
- [Changelog](https://github.com/javacc/javacc/blob/master/docs/release-notes.md)
- [Commits](https://github.com/javacc/javacc/compare/javacc-7.0.10...javacc-7.0.11)

---
updated-dependencies:
- dependency-name: net.java.dev.javacc:javacc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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