git: openjdk/jfx: master: 8355740: Update to Xcode 15.4 on macOS

[Kevin Rushforth]

Changeset: 59c2b759
Branch: master
Author:    Kevin Rushforth <kcr at openjdk.org>
Date:      2025-05-22 14:29:51 +0000
URL:       https://git.openjdk.org/jfx/commit/59c2b7591bc959a5b8155a815dc918a89b79cc76

8355740: Update to Xcode 15.4 on macOS

Reviewed-by: arapte, sykora

! .github/workflows/submit.yml
! build.properties
! gradle/verification-metadata.xml