RFR: 8346046: Enable copyright header format check

Fri Dec 13 00:21:37 UTC 2024

On Thu, 12 Dec 2024 19:58:29 GMT, Zhao Song <zsong at openjdk.org> wrote:

> As requested in [SKARA-1357](https://bugs.openjdk.org/browse/SKARA-1357), now skara bot is able to check the copyright header format.
> Now I am going to update the jcheck configuration to configure copyright check as an error.

I think this looks ok, but would like input from at least another reviewer.

-------------

Marked as reviewed by erikj (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22721#pullrequestreview-2501016645