Add macos arm64 build and test

.cirrus.yml

@@ -8,16 +8,45 @@ linux_aarch64_test_task:
 
   os_dependencies_script: |
     apt update
-    apt install -yy git g++
+    apt install -yy g++
 
   python_venv_script: |
+    which python
     python --version
     python -m pip install --upgrade pip setuptools
     python -m venv venv
     source venv/bin/activate
 
   install_contourpy_script: |
-    python -m pip install -ve .[test]
+    python -m pip install -v .[test]
+    python -m pip list
+
+  run_tests_script: |
+    python -m pytest -v tests/
+
+
+macos_arm64_test_task:
+  name: "macOS arm64 test"
+  macos_instance:
+    # https://github.com/cirruslabs/macos-image-templates
+    image: ghcr.io/cirruslabs/macos-monterey-xcode:14
+
+  pip_cache:
+    folder: ~/.cache/pip
+
+  os_dependencies_script: |
+    brew install python@3.10
+    export PATH=/opt/homebrew/opt/python@3.10/libexec/bin:$PATH
+
+  python_venv_script: |
+    which python
+    python --version
+    python -m pip install --upgrade pip setuptools
+    python -m venv venv
+    source venv/bin/activate
+
+  install_contourpy_script: |
+    python -m pip install -v .[test]
     python -m pip list
 
   run_tests_script: |