RFR: 2527: Sponsored commits may get wrong author

[Zhao Song]

On Thu, 17 Jul 2025 21:11:43 GMT, Zhao Song <zsong at openjdk.org> wrote:

> When determining the author of a commit, if the author of pr doesn't have OpenJDK Id, the bot falls back to use the author from the last commit of the pr, in this way, the bot may give credit to the wrong person. 
> In this patch, if the author of pr doesn't have OpenJDK Id, the bot will try to parse full name and email from the forge first, if it fails, then it will fall back to use the author of the last commit.

Thank you for the review!

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PR Comment: https://git.openjdk.org/skara/pull/1726#issuecomment-3155855176