fix(ci): use matching artifact action versions.

Author: tm91236

.github/workflows/performance_comment.yml

@@ -22,7 +22,7 @@ jobs:
       github.event.workflow_run.conclusion == 'success'
     steps:
       - name: Download performance comment
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v6
         with:
           run-id: ${{ github.event.workflow_run.id }}
           name: performance-comment