[jfx17u] RFR: 8315873: [GHA] Update checkout and cache action to use v4

[Jose Pereda]

On Wed, 5 Mar 2025 07:41:50 GMT, Johan Vos <jvos at openjdk.org> wrote:

> mainly clean backport of https://github.com/openjdk/jfx/commit/6ec588c5635964769b354bce37e68d7a6c00985a (JDK-8315873)
> 
> Reason for being non-clean:
> * we already applied 8350437
> * we don't have aarch64-mac
> * we don't have TEST_ONLY in build.gradle

Marked as reviewed by jpereda (Reviewer).

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PR Review: https://git.openjdk.org/jfx17u/pull/229#pullrequestreview-2660299235