Log Message:
databases/ruby-sequel: update to 5.80.0

5.80.0 (2024-05-01)

* Support Dataset#skip_locked on MariaDB 10.6+ (simi) (#2150)

* Avoid allocating datasets in cases where the returned dataset would be the
  same as the receiver (jeremyevans)

* Add provenance dataset extension, which includes comments in queries
  showing how and where the dataset was built (jeremyevans)