Merge pull request #90 from oasisprotocol/mz/deployFix

Bump actions/deploy-pages to v4

Author: buberdds

.github/workflows/frontend-deploy.yml

@@ -69,4 +69,4 @@ jobs:
           path: 'frontend/dist/'
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v3
+        uses: actions/deploy-pages@v4