ci(py): Add build for aarch64-apple-darwin

.github/workflows/python.yml

@@ -36,6 +36,30 @@ jobs:
         with:
           name: wheels
           path: dist
+  macos-aarch64:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+          architecture: x64
+      - name: Install Rust toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: nightly
+          profile: minimal
+          default: true
+      - name: Build wheels - ARM
+        uses: messense/maturin-action@v1
+        with:
+          target: "aarch64-apple-darwin"
+          args: --release --out dist --no-sdist --cargo-extra-args="--all-features"
+      - name: Upload wheels
+        uses: actions/upload-artifact@v2
+        with:
+          name: wheels
+          path: dist
 
   windows:
     runs-on: windows-latest