feat(aarch64-darwin): add azure-cli to system packages

- Included `azure-cli` in `environment.systemPackages` for aarch64-darwin.
- Provides support for managing Azure resources directly from the system.

systems/aarch64-darwin/m4/default.nix

@@ -28,6 +28,7 @@ with lib.metacfg;
   };
 
   environment.systemPackages = with pkgs; [
+    azure-cli
     kubectl
     kubectx
     k9s