run more tests on arm systems

Author: maxbachmann

.github/workflows/branchbuild.yml

@@ -140,7 +140,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.10", "3.11", "3.12", "3.13", "3.13t"]
-        os: [ubuntu-latest, windows-latest, macos-13]
+        os: [ubuntu-latest, ubuntu-24.04-arm, windows-latest, windows-11-arm, macos-13, macos-14]
 
     steps:
       - uses: "actions/checkout@v5"