RFR: 8343760: GHA: macOS / aarch64 builds depend on Xcode 14 which will be removed [v3]

[Andy Goryachev]

On Thu, 7 Nov 2024 22:11:52 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> Fix the GHA build on macOS / aarch64, which uses a macOS 14 GitHub Actions runner, by using the default Xcode 15 rather than explicitly selecting Xcode 14.
>> 
>> GitHub has announced the removal of Xcode 14 from their macOS 14 images. See the following pages:
>> 
>> https://github.com/actions/runner-images/blob/main/images/macos/macos-14-Readme.md
>> https://github.com/actions/runner-images/issues/10703
>> 
>> The following build failed, suggesting that they may have done this already:
>> 
>> https://github.com/jayathirthrao/jfx/actions/runs/11718276557/job/32639337526
>> 
>> At least one other build has failed as well. Subsequent builds passed, so they might be rolling it out incrementally, but in any case, we need to stop relying on using Xcode 14 on macOS 14.
>
> Kevin Rushforth has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Fix typo in comment

Marked as reviewed by angorya (Reviewer).

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PR Review: https://git.openjdk.org/jfx/pull/1630#pullrequestreview-2422262275