fix publisher

Author: ishigo974

.github/workflows/benchmarks.yml

@@ -50,9 +50,10 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 0
-      - name: Download HTML reports
+      - name: Download HTML reports for all Ruby versions
         uses: actions/download-artifact@v4
         with:
+          pattern: html-report-*
           path: all_html_reports
       - name: Prepare gh-pages branch
         run: |