RFR: git-pr-create: allow --cc for all jdk[0-9]* repos

[Robin Westberg]

On Wed, 16 Dec 2020 08:56:16 GMT, Erik Helin <ehelin at openjdk.org> wrote:

> Hi all,
> 
> please review this small patch that makes the `--cc` flag for `git pr create` work for jdk release repositories like [jdk16](https://github.com/openjdk/jdk16).
> 
> Thanks,
> Erik

Looks good!

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Marked as reviewed by rwestberg (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/975