RFR: 8358538: Update GHA Windows runner to 2025 [v2]

[Aleksey Shipilev]

On Wed, 4 Jun 2025 17:03:07 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> GitHub is retiring the windows-2019 runner, starting with brownouts now, and complete removal in about a month. We need to upgrade to Windows 2022 or possible Windows 2025.
>
> Magnus Ihse Bursie has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update windows version for testing

GHA seems fine.

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Marked as reviewed by shade (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25628#pullrequestreview-2897956513