Log Message:
devel/ruby-activestorage61: update to 6.1.4

Active Storage

* The parameters sent to ffmpeg for generating a video preview image
  are now configurable under
  config.active_storage.video_preview_arguments.  (Brendon Muir)

* Fix Active Storage update task when running in an engine.  (Justin
  Malčić*)

* Don't raise an error if the mime type is not recognized.  Fixes
  #41777.  (Alex Ghiculescu)

* ActiveStorage::PreviewError is raised when a previewer is unable to
  generate a preview image.  (Alex Robbin)

* respond with 404 given invalid variation key when asking for
  representations.  (George Claghorn)

* Blob creation shouldn't crash if no service selected.  (Alex
  Ghiculescu)