ci: Try to fix Windows build

Author: jorisv

.github/workflows/conda/environment.yaml

@@ -0,0 +1,9 @@
+name: pinocchio-minimal
+channels:
+  - conda-forge
+dependencies:
+  - cmake
+  - cxx-compiler
+  - pkg-config
+  - ninja
+  - libpinocchio

.github/workflows/test.yml

@@ -50,10 +50,13 @@ jobs:
       # conda
       - if: matrix.pm == 'conda'
         uses: conda-incubator/setup-miniconda@v3
-      - if: matrix.pm == 'conda'
-        run: conda install -n test -c conda-forge cmake cxx-compiler eigen eigenpy libboost-devel libboost-python-devel pinocchio
-      - if: matrix.pm == 'conda'
-        run: echo "CMAKE_PREFIX_PATH=$CONDA/envs/test" >> $GITHUB_ENV
+        with:
+          miniforge-version: latest
+          activate-environment: pinocchio-minimal
+          environment-file: .github/workflows/conda/environment.yml
+          auto-activate-base: false
+          auto-update-conda: true
+          conda-remove-defaults: true
 
       # nix
       - if: matrix.pm == 'nix'
@@ -98,21 +101,12 @@ jobs:
       - if: matrix.pm == 'ros'
         run: echo "CMAKE_PREFIX_PATH=/opt/ros/${ROS}" >> $GITHUB_ENV
 
-      # windows
-      # thx https://gist.github.com/justinian/81a2e55c89e8301a8a96 & https://stackoverflow.com/a/74547513/1368502
-      - if: matrix.os == 'windows'
-        run: >
-          cmd /c '"%programfiles%\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\Build\vcvarsall.bat" amd64 && set'
-          | Select-String -Pattern "^(.*?)=(.*)$"
-          | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
-
-
-      - run: cmake -B build -DCMAKE_BUILD_TYPE=Release
-      - run: cmake --build build
-      - if: matrix.os != 'windows-latest'
-        run: ./build/main
-      - if: matrix.os == 'windows-latest'
-        run: .\build\Debug\main.exe
+      - name: Build and configure
+        shell: bash -l {0}
+        run: |
+          cmake -B build -DCMAKE_BUILD_TYPE=Release -GNinja
+          cmake --build build
+          ./build/main
 
   docker:
     runs-on: "ubuntu-latest"