Rails 6.1 deprecates rails db:structure:dump and rails db:structure:load

Rails 6.1 deprecates rails db:structure:load and rails db:structure:dump tasks.Before Rails 6.1, executing rake db:schema:dump would dump db/schema.rb file. And executing rake db:structure:dump would dump db/structure.sql file.Rails provides config.active_record.schema_format setting for which the valid values are :ruby or :sql. However, since there are specific tasks for db:structure and db:schema this value was not really being used.