Use v3 of GitHub deploy-pages for Publish Docs (#4064)

Author: sazzad16

.github/workflows/docs.yml

@@ -33,4 +33,4 @@ jobs:
           path: 'docsbuild'
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v2
+        uses: actions/deploy-pages@v3