Merge pull request #30798 from bogdanvlviv/express-change_column_comment-as-public-api

Express #change_column_comment as public api

activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb

@@ -1174,7 +1174,7 @@ def change_table_comment(table_name, comment)
       end
 
       # Changes the comment for a column or removes it if +nil+.
-      def change_column_comment(table_name, column_name, comment) #:nodoc:
+      def change_column_comment(table_name, column_name, comment)
         raise NotImplementedError, "#{self.class} does not support changing column comments"
       end