message: change codeowners
diff: /specification/**/resource-manager/**/readme.az.md @jsntcy @qiaozha
  /specification/**/resource-manager/**/readme.cli.md @jsntcy @qiaozha
  /specification/**/resource-manager/**/readme.go.md @ArcturusZhang
  -/specification/**/resource-manager/**/readme.python.md @msyyc @RAY-316 @BigCat20196
  +/specification/**/resource-manager/**/readme.python.md @msyyc @BigCat20196
  