ci: Use smaller windows runners (#26674)

Let's see if the speed of `windows-2025-32` for `windows_tests` is
fast-enough for PRs and everywhere else use `windows-2025-16`. Leaving
`windows_clippy` unchanged with `windows-2025-16`.

Release Notes:

- N/A
87cdb68ccaPeter Tripp committed on 3/13/2025, 3:39:12 PM· committed by GitHubparentb0b6542
1 file changedLine totals unavailable