RFR: 7767: Fix handling of version qualifier in core plugins [v4]

[Christoph Langer]

On Thu, 14 Apr 2022 05:52:26 GMT, Christoph Langer <clanger at openjdk.org> wrote:

>> This PR adds some maven antrun magic to handle the .qualifier version property in core modules
>
> Christoph Langer has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains one commit:
> 
>   JMC-7767

Thanks for the review.

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PR: https://git.openjdk.java.net/jmc/pull/396