RFR: 8325194: GHA: Add macOS M1 testing [v5]

[Christoph Langer]

On Wed, 7 Feb 2024 15:59:00 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Okay, this one regressed GHA for new PRs: https://github.com/stefank/jdk/actions/runs/7817217154/job/21324582843
> 
> ```
> Run # Build JTReg and move files to the proper locations
> realpath: bootjdk/jdk: No such file or directory
> ```
> 
> I think it slipped testing here, because bootjdk was cached before.
> 
> @gdams, please see if you can fix it?

Looking into it...

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PR Comment: https://git.openjdk.org/jdk/pull/17694#issuecomment-1932715172