Log Message:
textproc/ruby-gyoku: update to 1.4.0

1.4.0 (2022-04-01)

Fixed

* Fix Issue #56 with PR #57. Thanks, @jpmoral!
* Avoid circular reference #69, thanks @ccarruitero!

Added

* Unwrap specific keys #54, by @rlburkes. Documented by @mahemoff. Thanks to
  you both!
* Add :pretty_print, :indent and :compact options to allow prettified XML
  output. #59, by @Jeiwan. Thanks!

Changed

* Removed Rubinius support, by @olleolleolle
* Clean-up, CI setup, and changelog authoring, by @olleolleolle