stage:list: update output and help text (#5499)
stage:list: update output and help text (#5499)

* stage:list: update output and help text

* Replaced 'Produces' with 'Outputs'
* Replaced 'Stage depends on' with just 'Depends on'
* Changes help text of --names-only and --fail

* Update dvc/command/stage.py

Co-authored-by: Dave Berenbaum <25a08edbe6ad65302111fcb61ce3653c31d3a720@gmail.com>

* s/Generates/Reports

Co-authored-by: Dave Berenbaum <25a08edbe6ad65302111fcb61ce3653c31d3a720@gmail.com>
dmpetrov/dataversioncontrol,efiop/dvc,efiop/dvc,dmpetrov/dataversioncontrol