message: Update identity codeowners
diff: /sdk/core/ @rickwinter @ahsonkhan @antkmsft @vhvb1989 @gearama @LarryOsterman
  # PRLabel: %Azure.Identity
  -/sdk/identity/ @antkmsft @schaabs @ahsonkhan @rickwinter @vhvb1989 @gearama
  +/sdk/identity/ @antkmsft @schaabs @ahsonkhan @rickwinter @vhvb1989 @gearama @LarryOsterman
  ###########
  # Client SDKs
  