git: openjdk/jdk8u-dev: 8358538: Update GHA Windows runner to 2025

[Severin Gehwolf]

Changeset: d0281bed
Branch: master
Author:    Antonio Vieiro <avieirov at redhat.com>
Committer: Severin Gehwolf <sgehwolf at openjdk.org>
Date:      2025-07-07 15:58:58 +0000
URL:       https://git.openjdk.org/jdk8u-dev/commit/d0281bedf07a51f6b8b93ba156b615d76f561c63

8358538: Update GHA Windows runner to 2025

Reviewed-by: sgehwolf
Backport-of: 0927ca70e66ef27b38cbf5c0dd2851c796218067

! .github/workflows/submit.yml