Better description for PRs that update dependencies. (#19195)

.github/workflows/update-dependencies.yml

@@ -61,16 +61,10 @@ jobs:
           ### What does this PR do?
           Update the dependencies
 
-          ### Motivation
-
-          Some of the dependencies are outdated
-
-          ### Additional Notes
-          <!-- Anything else we should know when reviewing? -->
-
           This PR was automatically generated by the following workflow:
           ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
 
+          **THE CHANGELOG FILES OFTEN HAVE THE WRONG PR NUMBER. MAKE SURE TO CHECK THEM!**
 
           ### Review checklist (to be filled by reviewers)