Merge pull request #28 from codebytes/dependabot/github_actions/actions/deploy-pages-4

Bump actions/deploy-pages from 3 to 4

.github/workflows/marp-pages.yml

@@ -44,4 +44,4 @@ jobs:
           path: 'build'
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v3
+        uses: actions/deploy-pages@v4