message: [Schema Registry] Update code owners
diff: #########
  /specification/*/data-plane/ @Azure/api-stewardship-board
  +# PRLabel: %Schema Registry
  +/specification/schemaregistry/ @hmlam @nickghardwick @lmazuel @deyaaeldeen @JoshLove-msft @swathipil @conniey
  +
  # PRLabel: %Cognitive Services
  /dev/cognitiveservices/data-plane/Language/ @assafi @rokulka @ChongTang @annatisch @heaths @deyaaeldeen @kristapratico @mssfang @Azure/api-stewardship-board
  