[ci] Validate Windows arm64

And not windows amd64...

Author: serge-sans-paille

.github/workflows/windows.yml

@@ -102,7 +102,7 @@ jobs:
     - name: Setup compiler
       uses: ilammy/msvc-dev-cmd@v1
       with:
-        arch: amd64
+        arch: arm64
     - name: Setup Ninja
       run: |
         python3 -m pip install --upgrade pip setuptools wheel
@@ -112,7 +112,7 @@ jobs:
     - name: Setup
       run: |
         mkdir _build
-        cd _build && cmake .. -DBUILD_TESTS=ON -DDOWNLOAD_DOCTEST=ON -DBUILD_BENCHMARK=ON -DBUILD_EXAMPLES=ON -DCMAKE_BUILD_TYPE=Release -G Ninja
+        cd _build && cmake .. -DBUILD_TESTS=ON -DDOWNLOAD_DOCTEST=ON -DBUILD_BENCHMARK=ON -DBUILD_EXAMPLES=ON -DCMAKE_BUILD_TYPE=Release -G Ninja -DCMAKE_CXX_CFLAGS="/arch:armv8.0 /Zc:arm64-aliased-neon-types-"
     - name: Build
       run: |
         cd _build && cmake --build .