ci: add msvc action

Author: ahoarau

.github/workflows/ci-linux-osx-win-conda.yml

@@ -90,6 +90,10 @@ jobs:
       run: |
         cmake -B build -S . -G Ninja -DCMAKE_CXX_SCAN_FOR_MODULES=OFF -DCMAKE_INSTALL_PREFIX="${CONDA_PREFIX}" -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} -DCMAKE_CXX_STANDARD=${{ matrix.cxx_std }} -DBUILD_PYTHON_INTERFACE=ON -DBUILD_DOCUMENTATION=ON -DINSTALL_DOCUMENTATION=ON -DBUILD_WITH_VECTORIZATION_SUPPORT=ON
 
+    - name: Setup MSVC [Conda/Windows]
+      uses: ilammy/msvc-dev-cmd@v1
+      if: contains(matrix.os, 'windows-')
+
     - name: Configure [Conda/Windows/MSVC]
       if: contains(matrix.os, 'windows-')
       shell: pwsh