message: fix yaml errors
diff: @@ -282,8 +282,12 @@ workflows:
  - build_test_image
  - approve_mainnet_deploy:
  type: approval
  - requires: test
  + requires:
  + - test
  - mainnet_deploy:
  - requires: approve_mainnet_deploy
  + requires:
  + - approve_mainnet_deploy
  - slack/approval-notification:
  mentions: 'U011J7RCEFQ,U011KKL1L4B'
  + requires:
  + - mainnet_deploy
  