Update CODEOWNERS

updated owners

Author: arisettisanjana

CODEOWNERS

@@ -35,7 +35,7 @@
 /VMAccess/ @D1v38om83r @nkuchta @Azure/azure-agent-extensions
 
 # VMBackup Extension
-/VMBackup/ @iamashwani-who @vityagi @mearvind
+/VMBackup/ @ppusuluri @vityagi @mearvind
 
 # VMEncryption Extension
 /VMEncryption/ @vimish @ejarvi @vermashi