Merge pull request #936 from ruby/dependabot/github_actions/actions/upload-pages-artifact-4

build(deps): bump actions/upload-pages-artifact from 3 to 4

Author: olleolleolle

.github/workflows/github-pages.yml

@@ -17,7 +17,7 @@ jobs:
           bundler-cache: true # 'bundle install' and cache gems
       - run: rake rdoc
       - name: Upload GitHub Pages artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: html