step-cli: format package.nix with nixfmt

pkgs/by-name/st/step-cli/package.nix

@@ -2,10 +2,11 @@
   lib,
   buildGoModule,
   fetchFromGitHub,
-}: let
+}:
+let
   version = "0.27.2";
 in
-  buildGoModule {
+buildGoModule {
   pname = "step-cli";
   inherit version;
 
@@ -34,8 +35,8 @@ in
     homepage = "https://smallstep.com/cli/";
     changelog = "https://github.com/smallstep/cli/blob/v${version}/CHANGELOG.md";
     license = lib.licenses.asl20;
-      maintainers = with lib.maintainers; [isabelroses];
+    maintainers = with lib.maintainers; [ isabelroses ];
     platforms = lib.platforms.linux ++ lib.platforms.darwin;
     mainProgram = "step";
   };
-  }
+}