Log Message:
databases/ruby-sequel: update to 5.57.0

5.57.0 (2022-06-01)

* Make Database#create_function on PostgreSQL accept :parallel option
  (bananarne) (#1870)

* Add support for :on_update_current_timestamp column option on MySQL
  (jeremyevans)

* Add is_distinct_from extension with support for the IS DISTINCT FROM
  operator (jeremyevans)

5.56.0 (2022-05-01)

* Make alter_table add_column/add_foreign_key methods support :index option
  to create an index on the column (jeremyevans)

* Support creation of STRICT tables on SQLite 3.37.0+ via create_table
  :strict option (jeremyevans)

* Add sqlite_json_ops extension for DSL support for JSON functions and
  operators added in SQLite 3.38.0 (jeremyevans)

* Recognize "INTEGER" type same as "integer" type in the \ 
schema dumper,
  helpful on SQLite 3.37.0+ (jeremyevans)