ollama via unstable channel

systems/modules/ollama.nix

@@ -1,9 +1,9 @@
-{ pkgs, ... }:
+{ pkgsUnstable, ... }:
 
 {
   services.ollama = {
     enable = true;
-    package = pkgs.ollama-cuda;
+    package = pkgsUnstable.ollama-cuda;
   };
 
   services.open-webui.enable = true;