Merge pull request #3623 from ruby/bump-actions

Author: kddnewton

.github/workflows/main.yml

@@ -305,7 +305,7 @@ jobs:
     - uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.target.ruby }}
-    - uses: actions/download-artifact@v4
+    - uses: actions/download-artifact@v5
       with:
         name: gem-package
         path: pkg