switched to unstable

configuration.nix

@@ -139,6 +139,7 @@
   # this value at the release version of the first install of this system.
   # Before changing this value read the documentation for this option
   # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
-  system.stateVersion = "21.11"; # Did you read the comment?
+  #system.stateVersion = "21.11"; # Did you read the comment?
+  system.stateVersion = "unstable"; # Did you read the comment?
 }