Merge pull request #32 from pkgw/ci-fix

ci/azure-build-and-test.yml: update macOS VM image version

ci/azure-build-and-test.yml

@@ -16,12 +16,12 @@ parameters:
       PYTHON_SERIES: "3.11"
 
   - name: macos_310
-    vmImage: macos-11
+    vmImage: macos-12
     vars:
       PYTHON_SERIES: "3.10"
 
   - name: macos_311
-    vmImage: macos-11
+    vmImage: macos-12
     vars:
       PYTHON_SERIES: "3.11"