Merge pull request #212 from ruby/dependabot/github_actions/actions/upload-pages-artifact-4

Bump actions/upload-pages-artifact from 3 to 4

Author: hsbt

.github/workflows/deploy.yml

@@ -33,7 +33,7 @@ jobs:
         # Outputs to the './_site' directory by default
         run: bundle exec middleman build
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
 
   deploy:
     environment: