fix(deploy): add colmena to 'builder' hosts

hosts/andromache/default.nix

@@ -90,6 +90,10 @@ in
     };
   };
 
+  environment.systemPackages = [
+    inputs.colmena.packages.${pkgs.system}.colmena
+  ];
+
 
   services = {
     xserver = {

hosts/astyanax/default.nix

@@ -76,6 +76,7 @@ in
   };
 
   environment.systemPackages = [
+    inputs.colmena.packages.${pkgs.system}.colmena
     (pkgs.writeShellApplication {
       name = "wol-andromache";
       runtimeInputs = [ pkgs.wakeonlan ];