BXMSPROD-1144 Improve generate_files flow (#1577)
BXMSPROD-1144 Improve generate_files flow (#1577)

* Add to the description just the changed files
* add to the new PR description the merged PR triggering the job
* add to the new PR description the action id creating the PR
drdaveg/droolsjbpm-build-bootstrap,drdaveg/droolsjbpm-build-bootstrap