ci: move dist-x86_64-msvc to windows 2025

Author: marcoieni

src/ci/github-actions/jobs.yml

@@ -558,7 +558,7 @@ auto:
       SCRIPT: python x.py build --set rust.debug=true opt-dist && PGO_HOST=x86_64-pc-windows-msvc ./build/x86_64-pc-windows-msvc/stage0-tools-bin/opt-dist windows-ci -- python x.py dist bootstrap --include-default-paths
       DIST_REQUIRE_ALL_TOOLS: 1
       CODEGEN_BACKENDS: llvm,cranelift
-    <<: *job-windows-8c
+    <<: *job-windows-25-8c
 
   - name: dist-i686-msvc
     env: