Add Windows arm Github runners

Author: mcbarton

.github/workflows/main.yml

@@ -56,6 +56,9 @@ jobs:
           - name: Windows25
             os: windows-2025
             micromamba_shell_init: cmd.exe
+          - name: Windows11-arm
+            os: windows-11-arm
+            micromamba_shell_init: cmd.exe
 
     steps:
       - uses: actions/checkout@v4