Build also aarch64 wheels

Seems that cibuildwheel now allows building aarch64 wheels, so we should
try to distribute these as well.

Signed-off-by: Pablo Galindo <pablogsal@gmail.com>

.github/workflows/build_wheels.yml

@@ -39,12 +39,15 @@ jobs:
       matrix:
         os: [ubuntu-latest]
         cibw_python: ["cp37-*", "cp38-*", "cp39-*", "cp310-*", "cp311-*"]
-        cibw_arch: ["x86_64"]
+        cibw_arch: ["x86_64", "aarch64"]
 
     steps:
       - name: Disable ptrace security restrictions
         run: |
           echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope
+      - uses: docker/setup-qemu-action@v1
+        if: runner.os == 'Linux'
+        name: Set up QEMU
       - uses: actions/download-artifact@v3
         with:
           name: artifact

pyproject.toml

@@ -45,6 +45,7 @@ underlines = "-~"
 build = ["cp38-*", "cp39-*", "cp310-*", "cp311-*"]
 manylinux-x86_64-image = "manylinux2014"
 manylinux-i686-image = "manylinux2014"
+skip = "*-musllinux_aarch64"
 
 [tool.cibuildwheel.linux]
 before-all = [