use windows 2025

Author: marcoieni

src/ci/github-actions/jobs.yml

@@ -526,7 +526,7 @@ auto:
       # We are intentionally allowing an old toolchain on this builder (and that's
       # incompatible with LLVM downloads today).
       NO_DOWNLOAD_CI_LLVM: 1
-    <<: *job-windows
+    <<: *job-windows-25
 
   - name: i686-mingw-2
     env:
@@ -535,7 +535,7 @@ auto:
       # We are intentionally allowing an old toolchain on this builder (and that's
       # incompatible with LLVM downloads today).
       NO_DOWNLOAD_CI_LLVM: 1
-    <<: *job-windows
+    <<: *job-windows-25
 
   # x86_64-mingw is split into two jobs to run tests in parallel.
   - name: x86_64-mingw-1