Update auto_review_documentation.yml

Author: chienyuanchang

.github/workflows/auto_review_documentation.yml

@@ -40,10 +40,10 @@ jobs:
       - name: Get changed files
         id: changed-docs
         run: |
-          git diff --name-only ${{ github.event.before }} ${{ github.sha }} > changed_files.txt
+          git diff --name-only ${{ github.event.before }} ${{ github.sha }} > changed_docs.txt  # changed_files.txt
           # TODO: enable for documentation file only
           # grep -E '\.md$|\.rst$|README|\.ipynb$' changed_files.txt || true > changed_docs.txt
-          cat changed_files.txt  # changed_docs.txt
+          cat changed_docs.txt
 
       - name: Azure Login
         uses: azure/login@v2