update to latest mac ci image (HaxeFoundation#1069)

Aidan63 · web-flow · commit a2b2945dfb74 · 2023-10-21T13:01:06.000+02:00
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
@@ -25,7 +25,7 @@ stages:
       - template: tools/azure-pipelines/build.yml
         parameters:
           name: Mac
-          vmImage: macOS-10.15
+          vmImage: macOS-12
           platform: mac
           arch: 64
       - template: tools/azure-pipelines/build.yml
