Test all OSs for which we build wheels in test PyPI install

Author: znicholls

.github/workflows/install-pypi.yaml

@@ -22,7 +22,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ "ubuntu-latest", "macos-latest", "windows-latest" ]
+        os: [
+          "ubuntu-latest",
+          "ubuntu-24.04-arm",
+          "macos-latest",
+          "macos-13",
+          "windows-latest",
+          "windows-11-arm",
+        ]
         # Test against all security and bugfix versions: https://devguide.python.org/versions/
         python-version: [ "3.9", "3.10", "3.11", "3.12", "3.13" ]
         # Check both 'library' install and the 'application' (i.e. locked) install