git: openjdk/jdk17u-dev: 8341097: GHA: Demote Mac x86 jobs to build only

[Aleksey Shipilev]

Changeset: 93aa7d2b
Branch: master
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2025-10-27 15:02:57 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/93aa7d2b74fdb4bdf940aebde769be0ecaee8730

8341097: GHA: Demote Mac x86 jobs to build only

Backport-of: d66737ea1cfd92bcb208ded4e64822d12760205d

! .github/workflows/main.yml