chore: fix gitpage.yml

Author: ksw2000

.github/workflows/gitpage.yml

@@ -21,6 +21,7 @@ jobs:
           npm run build
 
       - name: generate example page by hmd2html cli
+        run: |
           node dist/cli.js -i ./example/index.md
           node dist/cli.js -i ./example/index.md -k -o ./output/index.dark.html
       
@@ -47,4 +48,4 @@ jobs:
         run: |
           git add .
           git commit -m "Generated by CI"
-          git push --force secure-origin gh-pages
+          git push secure-origin gh-pages