Log Message:
databases/ruby-sequel: update to 5.47.0

5.47.0 (2021-08-01)

* Make the unused_associations plugin track access to association
  reflections to determine whether associations are used (jeremyevans)

* Support :db option for join tables in {many,one}_through_many to use a
  separate query for each join table (jeremyevans)

* Support :join_table_db option for many_to_many/one_through_one
  associations, to use a separate query for the join table (jeremyevans)

* Support :allow_eager_graph and :allow_filtering_by association options
  (jeremyevans)

* Add Database#rename_tables on MySQL, for renaming multiple tables in a
  single call (nick96) (#1774)

* Support Dataset#returning on SQLite 3.35+ (jeremyevans)

5.46.0 (2021-07-01)

* Add unused_associations plugin, for determining which associations and
  association methods are not used (jeremyevans)

* Make nil :setter/:adder/:remover/:clearer association options not create
  related methods (jeremyevans)