ci: update composite action description for PAT usage

Author: gamaware

.github/actions/update-pre-commit-composite/action.yml

@@ -3,7 +3,7 @@ description: Updates pre-commit hook versions and creates a PR
 
 inputs:
   github_token:
-    description: GitHub token for creating PRs
+    description: Fine-grained PAT for creating PRs that trigger CI
     required: true
 
 runs:
@@ -33,4 +33,4 @@ runs:
 
           Review the changes to `.pre-commit-config.yaml` and merge if CI passes.
         branch: chore/update-pre-commit-hooks
-        delete-branch: true
+        delete-branch: true