Try macos runners (#783)

This should let us build wheels across both mac architectures for now.

Author: lancetarn

.github/workflows/main.yml

@@ -50,8 +50,8 @@ jobs:
       REDIS_URL: redis://localhost:6379/0
 
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Upgrade packaging tools
@@ -99,8 +99,8 @@ jobs:
       REDIS_URL: redis://localhost:6379/0
 
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-python@v2
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
     - name: Upgrade packaging tools

.github/workflows/release.yml

@@ -35,7 +35,7 @@ jobs:
         # For cross-architecture builds
         # https://cibuildwheel.readthedocs.io/en/stable/faq/#emulation
         if: runner.os == 'Linux'
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v3
         with:
           platforms: all
       - name: Build binary wheels
@@ -51,6 +51,31 @@ jobs:
         with:
           path: ./wheelhouse/*.whl
 
+  build_macos_wheels:
+    name: Build macos wheels (cross-compiles arm64)
+    runs-on: macos-11
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-python@v4
+        name: Install Python
+        with:
+          python-version: "3.10"
+
+      - name: Install cibuildwheel
+        run: |
+          python -m pip install --upgrade pip cibuildwheel
+      - name: Build binary wheels
+        env:
+          CIBW_SKIP: "pp38-* pp39-* pp310-* pp311-*"
+          CIBW_BUILD_VERBOSITY: 1
+          CIBW_ARCHS_MACOS: "x86_64 arm64"
+        run: python -m cibuildwheel
+
+      - uses: actions/upload-artifact@v3
+        with:
+          path: ./wheelhouse/*.whl
+
   build_pure_wheels:
     name: Build pure python wheels
     runs-on: ubuntu-20.04
@@ -96,7 +121,7 @@ jobs:
           path: dist/*.tar.gz
 
   upload_pypi:
-    needs: [cibuildwheel_py38plus, build_pure_wheels, build_sdist]
+    needs: [cibuildwheel_py38plus, build_pure_wheels, build_sdist, build_macos_wheels]
     runs-on: ubuntu-20.04
     steps:
       - name: Download distributions for publishing.