🐛 fix: add the process for deleting unnecessary file (i.e., changed_files.txt)

Author: C-Naoki

action.yml

@@ -52,6 +52,7 @@ runs:
 
     - name: Commit converted Qiita articles
       run: |
+        rm $GITHUB_WORKSPACE/changed_files.txt
         git config --local user.name ${{ github.actor }}
         git config --local user.email ${{ github.actor }}@users.noreply.github.com
         git add qiita/public/*.md