MAINT: PR 144 revisions

* switch the OSX version from `12.0` to `11.0`
for the Python 3.8-3.10 thin arm64 MacOS wheel
builds, based on feedback here:
multi-build/multibuild#444

* skip the wheel install/test stage for Azure arm64
(because this means MacOS arm64, for which we do
not have hardware access in CI anyway)

Author: tylerjereddy

azure-pipelines.yml

@@ -57,7 +57,7 @@ jobs:
           PLAT: universal2
         osx-Py38_arm64:
           MB_PYTHON_VERSION: "3.8"
-          MB_PYTHON_OSX_VER: "12.0"
+          MB_PYTHON_OSX_VER: "11.0"
           PLAT: arm64
         osx-Py39:
           MB_PYTHON_VERSION: "3.9"
@@ -68,7 +68,7 @@ jobs:
           PLAT: universal2
         osx-Py39_arm64:
           MB_PYTHON_VERSION: "3.9"
-          MB_PYTHON_OSX_VER: "12.0"
+          MB_PYTHON_OSX_VER: "11.0"
           PLAT: arm64
         osx-Py310:
           MB_PYTHON_VERSION: "3.10"
@@ -80,5 +80,5 @@ jobs:
           PLAT: universal2
         osx-Py310_arm64:
           MB_PYTHON_VERSION: "3.10"
-          MB_PYTHON_OSX_VER: "12.0"
+          MB_PYTHON_OSX_VER: "11.0"
           PLAT: arm64

azure-posix.yml

@@ -80,6 +80,7 @@ jobs:
           source multibuild/travis_steps.sh
           install_run $PLAT
         displayName: Install wheel and test
+        condition: ne(variables['PLAT'], 'arm64')
 
       - bash: |
           echo "##vso[task.prependpath]$CONDA/bin"