message: update pr assignment
diff: - josefree
  - akning-ms
  -- rule:
  - paths:
  - - "**/package.json"
  - - ".github/**"
  - - "**/azure-pipelines.yml"
  - - ".azure-pipelines/**"
  - - ".azure-pipelines-preproduction/**"
  - reviewers:
  - - akning-ms
  - - PhoenixHe-msft
  -
  - rule:
  paths:
  - "documentation/**"
  - akning-ms
  - PhoenixHe-msft
  - raych1
  + - zhenglaizhang
  - rule:
  # manager-plane PR
  - qianwens
  - ruowan
  - jianyexi
  + - zhenglaizhang
  