RFR: 8325194: GHA: Add macOS M1 testing [v3]

[George Adams]

On Sat, 3 Feb 2024 14:09:50 GMT, Christoph Langer <clanger at openjdk.org> wrote:

> Do we maybe want to go to 'macos-14' on both MacOS architectures? Maybe do it in a prior, separate change?

Noting that macos-14 is arm64 only in GitHub so such a change might not be intentional in this scenario. 

> Other than that I also think you still need to update a few copyright years.

Yeah I'll check now

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PR Comment: https://git.openjdk.org/jdk/pull/17694#issuecomment-1925371318