Update owner and reviewer details

Signed-off-by: Sunny Srivastava <sunnsr25@in.ibm.com>
Change-Id: I6a6d75015122a72248b71234a02289157a10c342
diff --git a/OWNERS b/OWNERS
index 82fffad..6aeff38 100644
--- a/OWNERS
+++ b/OWNERS
@@ -33,9 +33,10 @@
 
 owners:
 - jinu.joy.thomas@in.ibm.com
-- santosh.puranik@in.ibm.com
+- sunnsr25@in.ibm.com
 
 reviewers:
+- priyanga24@in.ibm.com
 
 matchers:
 
@@ -43,6 +44,9 @@
 - name: Jinu Joy Thomas
   email: jinu.joy.thomas@in.ibm.com
   discord: Jinu Joy
-- name: Santosh Puranik
-  email: santosh.puranik@in.ibm.com
-  discord: puranik
+- name: Sunny Srivastava
+  email: sunnsr25@in.ibm.com
+  discord: sunnysr
+- name: Priyanga Ramasamy
+  email: priyanga24@in.ibm.com
+  discord: priya.ram