RFR: 2373: Support repo-<project> style fix versions [v2]

[Zhao Song]

On Wed, 18 Sep 2024 14:07:21 GMT, Erik Joelsson <erikj at openjdk.org> wrote:

>> This patch adds parsing logic for handling version strings on the form "repo-<project>". This form is commonly used in JBS for project repos, but Skara is currently unable to actually parse them.
>
> Erik Joelsson has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Review comment

Marked as reviewed by zsong (Reviewer).

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PR Review: https://git.openjdk.org/skara/pull/1686#pullrequestreview-2313137129