chore(flakes): Update

Author: haruki7049

flake.lock

@@ -22,7 +22,6 @@
         treefmt = {
           projectRootFile = "treefmt.nix";
           programs.nixfmt.enable = true;
-          programs.yamlfmt.enable = true;
         };
 
         devShells.default = pkgs.mkShell {