Fix GitHub Pages root path

Author: qzhu2017

.github/workflows/publish-pages.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
         with:
-          path: './Figs'
+          path: 'Figs'
 
       - name: Deploy to GitHub Pages
         id: deployment