git: openjdk/jdk: 8290000: Bump macOS GitHub actions to macOS 11

[Aleksey Shipilev]

Changeset: 4e6cd67f
Author:    George Adams <georgeadams1995 at gmail.com>
Committer: Aleksey Shipilev <shade at openjdk.org>
Date:      2022-07-19 06:29:43 +0000
URL:       https://git.openjdk.org/jdk/commit/4e6cd67fec3d978f4c8c1aed95a1d09b544eff68

8290000: Bump macOS GitHub actions to macOS 11

Reviewed-by: shade, clanger

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