Update sphinx_gh_pages.yml

Author: chavarera

.github/workflows/sphinx_gh_pages.yml

@@ -39,8 +39,8 @@ jobs:
           pip install -r requirements.txt
       - name: Build HTML
         run: |
-          cd docs/
+          cd doc/
           make html
       - name: Run ghp-import
         run: |
-          ghp-import -n -p -f docs/_build/html
+          ghp-import -n -p -f doc/_build/html