fix

.github/workflows/build_wheels.yml

@@ -53,26 +53,14 @@ jobs:
       - name: Setup Miniconda
         uses: conda-incubator/setup-miniconda@v3
         with:
-          python-version: 3.12
+          python-version: ${{ matrix.python-version }}
           mamba-version: "*"
           channels: conda-forge
           channel-priority: strict
           auto-update-conda: true
           miniconda-version: "latest"
           activate-environment: build_sdist
-
-      - name: Set up Conda environment
-        shell: bash -l {0}
-        run: |
-          conda config --set always_yes yes --set changeps1 no
-          conda install -q -n build_sdist blas-devel \
-                                          fftw \
-                                          meson-python \
-                                          numpy \
-                                          pkg-config \
-                                          setuptools_scm \
-                                          jupyter \
-                                          build
+          environment-file: environment.yml
 
       - name: Build sdist
         run: pip install --no-deps .  # pipx run build --sdist