tools: harmonize `dep_updaters` scripts
There were a few inconsistencies in the scripts (manual instructions were sometimes incomplete or lacking, the _version.h
files were created differently, etc.), this PR aims to reduce that.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
There were a few inconsistencies in the scripts (manual instructions were sometimes incomplete or lacking, the _version.h
files were created differently, etc.), this PR aims to reduce that.