Fix build-windows: remove hardcoded VS 2022 generator for CMake auto-detection

Author: Copilot

.github/workflows/CI.yml

@@ -37,7 +37,7 @@ jobs:
         run: |
           mkdir cmake-build-win64
           cd cmake-build-win64
-          cmake .. -G "Visual Studio 17 2022" -A x64 -DCMAKE_BUILD_TYPE=Release
+          cmake .. -A x64 -DCMAKE_BUILD_TYPE=Release
           cmake --build . --config Release
           cd ..