git: openjdk/jdk: 8318039: GHA: Bump macOS and Xcode versions

[Mikael Vidstedt]

Changeset: 605c9767
Author:    Mikael Vidstedt <mikael at openjdk.org>
Date:      2023-10-13 17:25:00 +0000
URL:       https://git.openjdk.org/jdk/commit/605c9767291ddf1c409c3e805ffb3182899d06c2

8318039: GHA: Bump macOS and Xcode versions

Reviewed-by: erikj, prr, ihse, clanger

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