Fix token placement

Author: gewenyu99

.github/workflows/generate-references.yaml

@@ -49,5 +49,4 @@ jobs:
         if: steps.changes.outputs.changed == 'true'
         with:
           commit_message: "Update generated references"
-          file_pattern: references/
-          token: ${{ secrets.POSTHOG_BOT_PAT }}
+          file_pattern: references/