git: openjdk/jdk21u-dev: master: 8325194: GHA: Add macOS M1 testing

[George Adams]

Changeset: b9cf41da
Author:    George Adams <gdams at openjdk.org>
Date:      2024-02-13 10:58:45 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/b9cf41daf165aadadacc3ac79bc6547f04bd29f3

8325194: GHA: Add macOS M1 testing
8325444: GHA: JDK-8325194 causes a regression

Reviewed-by: shade
Backport-of: d1c82156ba6ede4b798ac15f935289cfcc99d1a0

! .github/actions/get-jtreg/action.yml
! .github/workflows/build-macos.yml
! .github/workflows/main.yml
! make/conf/github-actions.conf