git: openjdk/jfx: master: 8315873: [GHA] Update checkout and cache action to use v4

[Ambarish Rapte]

Changeset: 6ec588c5
Branch: master
Author:    Ambarish Rapte <arapte at openjdk.org>
Date:      2025-01-07 13:48:20 +0000
URL:       https://git.openjdk.org/jfx/commit/6ec588c5635964769b354bce37e68d7a6c00985a

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

Reviewed-by: angorya, kcr

! .github/workflows/submit.yml