Bug#951831: groovy: Groovy 6 is in beta now

[Dirk Heinrichs]

Package: groovy
Version: 2.4.21-10
Followup-For: Bug #951831

Dear Maintainer,

Groovy 6.0.0 beta 2 has been released last week. Please update to a
current Groovy version.

Best regards,

        Dirk