RFR: 8358538: Update GHA Windows runner to 2025

Wed Jun 4 17:05:50 UTC 2025

On Tue, 3 Jun 2025 19:56:37 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.

Pretty sure it will just work (tm). I'll hang around for a couple hours. So if you are signing off already, set PR to auto-integrate, I'll look at GHA results later and then push the review button, so it integrates itself.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/25628#issuecomment-2940770990