Use Hash[] instead of Hash#dup in resolve_column_aliases

Related with #20418

activerecord/lib/active_record/table_metadata.rb

@@ -10,7 +10,9 @@ module ActiveRecord
     end
 
     def resolve_column_aliases(hash)
-      hash = hash.dup
+      # This method is a hot spot, so for now, use Hash[] to dup the hash.
+      #   https://bugs.ruby-lang.org/issues/7166
+      hash = Hash[hash]
       hash.keys.grep(Symbol) do |key|
         if klass.attribute_alias? key
           hash[klass.attribute_alias(key)] = hash.delete key