cmd/update-reset: use ShellCommand

Library/Homebrew/cmd/update-reset.rb

@@ -2,10 +2,13 @@
 # frozen_string_literal: true
 
 require "abstract_command"
+require "shell_command"
 
 module Homebrew
   module Cmd
     class UpdateReset < AbstractCommand
+      include ShellCommand
+
       cmd_args do
         description <<~EOS
           Fetch and reset Homebrew and all tap repositories (or any specified <repository>) using `git`(1) to their latest `origin/HEAD`.
@@ -15,9 +18,6 @@ module Homebrew
 
         named_args :repository
       end
-
-      sig { override.void }
-      def run = raise_sh_command_error!
     end
   end
 end