Update the macOS 14 arm64 runner to macOS 15. As announced here: https://github.com/actions/runner-images/issues/13518 , the macOS 14 arm64 images are already deprecated and will be retired soon. Deprecation: July 6th, 2026 Retirement: November 2nd, 2026
--------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). ------------- Commit messages: - macos_aarch64 runner macos-15 Changes: https://git.openjdk.org/jfx/pull/2298/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=2298&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8377370 Stats: 3 lines in 1 file changed: 1 ins; 0 del; 2 mod Patch: https://git.openjdk.org/jfx/pull/2298.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/2298/head:pull/2298 PR: https://git.openjdk.org/jfx/pull/2298
