ci: Use conda instead of pixi

.github/workflows/windows-pixi.yml

@@ -16,24 +16,28 @@ jobs:
       - uses: actions/checkout@v4
         with:
           submodules: 'true'
-      - uses: prefix-dev/[email protected]
+
+      - uses: conda-incubator/setup-miniconda@v3
         with:
-          cache: false
-          run-install: false
-      - name: Create pixi.toml
+          channels: conda-forge
+          python-version: ${{ matrix.python-version }}
+          activate-environment: ndcurve
+          conda-remove-defaults: "true"
+
+      - name: Create conda environment
+        shell: bash
         run: |
-          pixi init
-          pixi add cmake ^
-                   ninja ^
-                   cxx-compiler ^
-                   eigen ^
-                   eigenpy ^
-                   pinocchio ^
-                   libboost-devel ^
-                   libboost-python-devel
+          conda install cmake \
+                        ninja \
+                        cxx-compiler \
+                        eigen \
+                        eigenpy \
+                        pinocchio \
+                        libboost-devel \
+                        libboost-python-devel
 
       - name: Configure
-        shell: pixi run bash -e {0}
+        shell: bash
         env:
           COMPILER: ${{ matrix.compiler }}
         run: |
@@ -46,8 +50,8 @@ jobs:
             -DGENERATE_PYTHON_STUB=ON \
             -DCURVES_WITH_PINOCCHIO_SUPPORT=ON
       - name: Build
-        shell: pixi run bash -e {0}
+        shell: bash
         run: cmake --build build
       - name: Test
-        shell: pixi run bash -e {0}
+        shell: bash
         run: cmake --build build -t test