Merge pull request #60 from ChainSafe/lykhoyda/github_actions

update deprecated github actions

Author: irubido

.github/workflows/deploy-docs.yml

@@ -54,11 +54,10 @@ jobs:
         uses: actions/configure-pages@v3
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v2
+        uses: actions/upload-pages-artifact@v3
         with:
-          # 👇 Specify build output path
           path: ./docs/build
 
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v2
+        uses: actions/deploy-pages@v4