fix typo

Author: shunk031

.github/workflows/gh-pages.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Check broken links
         uses: ruzickap/action-my-broken-link-checker@v2
         with:
-          url: https://py-img-gen.github.iuo
+          url: https://py-img-gen.github.io
           pages_path: ./public
           cmd_params: "\
             --timeout=20 \