github-actions: remove python3.9 from mac build

.github/workflows/deploy.yml

@@ -10,10 +10,10 @@ permissions:
   pull-requests: read
 
 jobs:
-  build-windows-and-mac:
+  build-windows:
     strategy:
       matrix:
-        os: [windows-latest, macos-latest]
+        os: [windows-latest]
         python: ['3.9', '3.10', '3.11', '3.12']
     runs-on: ${{ matrix.os }}
     steps:
@@ -41,6 +41,37 @@ jobs:
           name: dist-artifacts-${{ matrix.os }}-${{ matrix.python }}
           path: dist
 
+  build-mac:
+    strategy:
+      matrix:
+        os: [macos-latest]
+        python: ['3.10', '3.11', '3.12']  # 3.9 triggers scipy issues when installing
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup python
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python }}
+
+      - name: Build lib
+        run: |
+          pip install setuptools
+          pip install wheel
+          python setup.py develop
+          python setup.py bdist_wheel
+
+      - name: List contents of dist
+        run: ls -R dist
+
+      - name: Archive build artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: dist-artifacts-${{ matrix.os }}-${{ matrix.python }}
+          path: dist
+
   build-linux:
     runs-on: ubuntu-latest
     container:
@@ -92,7 +123,7 @@ jobs:
 
   deploy:
     runs-on: ubuntu-latest
-    needs: [build-linux, build-windows-and-mac]
+    needs: [build-linux, build-windows, build-mac]
     steps:
       - name: Checkout
         uses: actions/checkout@v4