CI: Fix windows targets

Author: Chris00

.github/workflows/rust.yml

@@ -31,21 +31,38 @@ jobs:
           - build: win64
             os: windows-latest
             rust: stable
+          - build: anaconda win64
+            os: windows-latest
+            rust: stable
     steps:
     - uses: actions/checkout@master
     - uses: actions/setup-python@v6
       with:
-        python-version: '3.12'
+        python-version: '3.14'
       if: ${{ ! startsWith(matrix.build, 'anaconda') }}
     - name: Install Matplotlib (pip)
       run: python3 -m pip install -U matplotlib
       if: ${{ ! startsWith(matrix.build, 'anaconda') }}
     - name: Setup Miniconda
+      if: startsWith(matrix.build, 'anaconda')
       uses: conda-incubator/setup-miniconda@v3
-      if: startsWith(matrix.build, 'anaconda macos')
+      with:
+        auto-update-conda: true
     - name: Install Matplotlib (Anaconda)
-      run: $CONDA/bin/conda install conda-forge::matplotlib
-      if: startsWith(matrix.build, 'anaconda')
+      if: ${{ matrix.os != 'windows-latest' && startsWith(matrix.build, 'anaconda') }}
+      shell: bash
+      run: conda install -y -c conda-forge matplotlib
+    - name: Install Matplotlib (Anaconda, Windows)
+      if: ${{ matrix.os == 'windows-latest' && startsWith(matrix.build, 'anaconda') }}
+      shell: pwsh
+      run: conda install -y -c conda-forge matplotlib
+    - name: Diagnose Python used (Windows)
+      if: ${{ matrix.os == 'windows-latest' }}
+      shell: pwsh
+      run: |
+        python -c "import sys, platform; print(sys.executable); print(sys.version); print(platform.platform())"
+        python -c "import numpy, matplotlib; print('numpy', numpy.__version__); print('matplotlib', matplotlib.__version__)"
+
     - name: Install Rust ${{ matrix.rust }}
       uses: dtolnay/rust-toolchain@stable
       with: