8358538: Update GHA Windows runner to 2025

[shipilev]

WIP for testing.

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8358538 needs maintainer approval

Issue

• JDK-8358538: Update GHA Windows runner to 2025 (Bug - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk24u.git pull/229/head:pull/229
$ git checkout pull/229

Update a local copy of the PR:
$ git checkout pull/229
$ git pull https://git.openjdk.org/jdk24u.git pull/229/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 229

View PR using the GUI difftool:
$ git pr show -t 229

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk24u/pull/229.diff

[bridgekeeper]

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[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

This backport pull request has now been updated with issue from the original commit.