git: openjdk/jdk19u: master: 8290000: Bump macOS GitHub actions to macOS 11

[Christoph Langer]

Changeset: c336e0cb
Author:    George Adams <georgeadams1995 at gmail.com>
Committer: Christoph Langer <clanger at openjdk.org>
Date:      2022-07-27 13:58:31 +0000
URL:       https://git.openjdk.org/jdk19u/commit/c336e0cb0a83ac675ca3f919248509754e17f0d6

8290000: Bump macOS GitHub actions to macOS 11

Backport-of: 4e6cd67fec3d978f4c8c1aed95a1d09b544eff68

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