CI-windows.yml: added windows-2025

Author: firewave

.github/workflows/CI-windows.yml

@@ -15,7 +15,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [windows-2019, windows-2022]
+        os: [windows-2019, windows-2022, windows-2025]
         config: [Release, Debug]
       fail-fast: false