Bump dawidd6/action-download-artifact from 3.0.0 to 3.1.1 (#16933)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/docs-pr-netlify.yaml

@@ -14,7 +14,7 @@ jobs:
       # There's a 'download artifact' action, but it hasn't been updated for the workflow_run action
       # (https://github.com/actions/download-artifact/issues/60) so instead we get this mess:
       - name: 📥 Download artifact
-        uses: dawidd6/action-download-artifact@e7466d1a7587ed14867642c2ca74b5bcc1e19a2d # v3.0.0
+        uses: dawidd6/action-download-artifact@72aaadce3bc708349fc665eee3785cbb1b6e51d0 # v3.1.1
         with:
           workflow: docs-pr.yaml
           run_id: ${{ github.event.workflow_run.id }}