chore(deps): bump actions/upload-artifact from 5 to 6 (#508)

Author: dmitrytrager

.github/workflows/ci.yml

@@ -86,7 +86,7 @@ jobs:
         run: bin/rails db:test:prepare && bin/rspec
 
       - name: Keep screenshots from failed system tests
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: failure()
         with:
           name: screenshots