chore: fix gitpage.yml

Author: ksw2000

.github/workflows/gitpage.yml

@@ -44,7 +44,7 @@ jobs:
 
       - name: commit and push
         if: steps.check_changes.outputs.exit-code != 0
-        run:
+        run: |
           git add .
           git commit -m "Generated by CI"
           git push --force secure-origin gh-pages