git: openjdk/jdk21u-dev: master: 8318039: GHA: Bump macOS and Xcode versions

[George Adams]

Changeset: 79bd47a7
Author:    George Adams <gdams at openjdk.org>
Date:      2024-02-12 10:41:33 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/79bd47a78c0cc34bf3ff068038ef5cc1d56b762a

8318039: GHA: Bump macOS and Xcode versions

Backport-of: 605c9767291ddf1c409c3e805ffb3182899d06c2

! .github/workflows/build-macos.yml
! .github/workflows/main.yml
! .github/workflows/test.yml