include jars

[ahorek]

digest/digest.jar should be included

[knu]

Thanks. It's sad the integration test passed because the digest library would be still available even if the jar were missing. 🥺

[knu]

Please squash the commits into one.

[ahorek]

It's sad the integration test passed because the digest library would be still available even if the jar were missing. 🥺

the library is available because it wasn't removed yet https://github.com/jruby/jruby/pull/6719/files

[knu]

Thank you!