git: openjdk/jdk11u-dev: 8315863: [GHA] Update checkout action to use v4

[Aleksey Shipilev]

Changeset: 70862e01
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2023-09-20 13:57:35 +0000
URL:       https://git.openjdk.org/jdk11u-dev/commit/70862e011ba642a782cf28004d2f9dd807971788

8315863: [GHA] Update checkout action to use v4

Reviewed-by: clanger
Backport-of: b74805d38395ca8be9308d882bf6b84e93714849

! .github/actions/get-jtreg/action.yml
! .github/workflows/build-cross-compile.yml
! .github/workflows/build-linux.yml
! .github/workflows/build-macos.yml
! .github/workflows/build-windows.yml
! .github/workflows/test.yml