chore(deps): update dawidd6/action-download-artifact digest to 19f6be5

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

Author: renovate[bot]

.github/workflows/celo-monorepo.yml

@@ -176,7 +176,7 @@ jobs:
         with:
           artifacts_to_cache: ${{ needs.install-dependencies.outputs.artifacts_to_cache }}
       - name: Download protocol devchain artifact
-        uses: dawidd6/action-download-artifact@20319c5641d495c8a52e688b7dc5fada6c3a9fbc
+        uses: dawidd6/action-download-artifact@19f6be5f04a702e84928b9c7db33da57bd5415c2
         with:
           workflow: protocol-devchain.yml
           name: devchain-${{ env.RELEASE_TAG }}