message: ci: fix hardhat-node docker image build
  The `hardhat-node` docker image couldn't find the
  `Dockerfile` when building. This updates the path to
  the dockerfile.
diff: @@ -154,7 +154,7 @@ jobs:
  uses: docker/build-push-action@v2
  with:
  context: ./ops/docker/hardhat
  - file: ./Dockerfile
  + file: ./ops/docker/hardhat/Dockerfile
  push: true
  tags: ethereumoptimism/hardhat-node:${{ needs.release.outputs.hardhat-node }},ethereumoptimism/hardhat-node:latest
  