Update dawidd6/action-download-artifact action to v9 (#3472)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

nf_core/pipeline-template/.github/workflows/linting_comment.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download lint results
-        uses: dawidd6/action-download-artifact@20319c5641d495c8a52e688b7dc5fada6c3a9fbc # v8
+        uses: dawidd6/action-download-artifact@07ab29fd4a977ae4d2b275087cf67563dfdf0295 # v9
         with:
           workflow: linting.yml
           workflow_conclusion: completed