message: ci: fix step requirements
  Was missing a `requires` statement
diff: @@ -1113,6 +1113,8 @@ workflows:
  docker_tags: <<pipeline.git.revision>>,<<pipeline.git.branch>>
  context:
  - gcr
  + requires:
  + - op-migrate-docker-build
  - docker-tag-op-stack-release:
  name: docker-tag-op-stack-release
  filters:
  