chore(deps): Update dawidd6/action-download-artifact action to v15

Author: cq-bot

.github/workflows/unittest-post.yml

@@ -18,7 +18,7 @@ jobs:
       # This posts the status to the PR/commit
       - uses: haya14busa/action-workflow_run-status@v1
       - name: Download benchmarks
-        uses: dawidd6/action-download-artifact@v12
+        uses: dawidd6/action-download-artifact@v15
         with:
           # This is the workflow that triggered this run
           workflow: ${{ github.event.workflow.id }}