RFR: 2152: Use full name for tags if possible

[Zhao Song]

On Fri, 19 Jan 2024 10:24:14 GMT, Erik Duveblad <ehelin at openjdk.org> wrote:

> Hi all,
> 
> please review this patch that makes the `/tag` commit command use the user's full name (if possible) for the author and committer name field for the Git tag it creates. This is the same convention we use for the author/committer name and e-mail metadata in the commits (it was just a mistake on my part that `contributor.username()` was used in the original code for the `/tag` commit command).
> 
> ### Testing
> - [x] Added a new unit tests that fails without this patch but passes with it
> 
> Thanks,
> Erik

Marked as reviewed by zsong (Reviewer).

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PR Review: https://git.openjdk.org/skara/pull/1603#pullrequestreview-1833441409