ci: update deploy action

Author: vsoch

.github/workflows/docs.yml

@@ -36,7 +36,7 @@ jobs:
           ls
 
       - name: Deploy 🚀
-        uses: JamesIves/github-pages-deploy-action@4.1.1
+        uses: JamesIves/github-pages-deploy-action@v4
         with:
           branch: gh-pages
           folder: .