Searching for code is crucial to understand how something works. As such
there's a number of a ways to do it

One thing none of these do is find Workflow Activities using that value.

Navigating to your
will search workflow activities for workflow "variables" containing that
sys_id, but you may set have things with the display value, so you may
have a to do some extra or statements in there to find those. Something
to keep in mind, this table has no idea what workflow activities are on
"published" workflows, so that is frustrating but it will at least give
you a direction of what activities need updating and you can see what
workflows those are associated to.

Thanks Michael Domke for sharing this. I've referenced your post on the
times with colleagues.