Use separate arm/x64 macOS runners for simplicity

Author: virtuald

.github/workflows/dist.yml

@@ -116,7 +116,11 @@ jobs:
       max-parallel: ${{ fromJSON(needs.setup_concurrency.outputs.max-parallel).v }}
       fail-fast: true
       matrix:
-        os: ["ubuntu-22.04", "macos-14", "windows-2022"]
+        os:
+        - "ubuntu-22.04"
+        - "macos-13" # x86_64
+        - "macos-14" # arm64
+        - "windows-2022"
         python_version:
         - '3.9'
         - '3.10'