[jdk21u-dev] RFR: 8358538: Update GHA Windows runner to 2025 [v2]

[Aleksey Shipilev]

> Fixes GHA. Current Windows runners are already in brown-out stage, and will be decommissioned by the end of the month. So we need to get it into update repos soon.
> 
> Additional testing:
>  - [ ] GHA

Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:

  Backport 72679c94ee00c87b9b51233938e5ffa97ef825b1

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Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/1853/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/1853/files/db7f36db..d0805cb2

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1853&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1853&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1853.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1853/head:pull/1853

PR: https://git.openjdk.org/jdk21u-dev/pull/1853