message: change docker image tags
diff: @@ -23,7 +23,7 @@ jobs:
  username: ${{ secrets.DOCKER_USERNAME }}
  password: ${{ secrets.DOCKER_PASSWORD }}
  repository: vesoft/nebula-${{ matrix.service }}
  - tags: v2-preview-nightly
  + tags: v2-nightly
  dockerfile: docker/Dockerfile.${{ matrix.service }}
  cache_froms: vesoft/nebula-dev:centos7
  add_git_labels: true
  