Update OWNERS file to add reviewer

Update OWNERS file to add myself as reviewer
- name: Dhruvaraj Subhashchandran
  email: dhruvaraj@in.ibm.com
  discord: dhruvibm

Signed-off-by: Dhruvaraj Subhashchandran <dhruvaraj@in.ibm.com>
Change-Id: I1bb0e479f88154a78c706f079d99d4a2998f9c8d
diff --git a/OWNERS b/OWNERS
index 62667a8..e13eebb 100644
--- a/OWNERS
+++ b/OWNERS
@@ -37,6 +37,7 @@
 reviewers:
 - devenrao@in.ibm.com
 - spinler@us.ibm.com
+- dhruvaraj@in.ibm.com
 
 matchers:
 
@@ -50,3 +51,6 @@
 - name: Matt Spinler
   email: spinler@us.ibm.com
   discord: mspinler
+- name: Dhruvaraj Subhashchandran
+  email: dhruvaraj@in.ibm.com
+  discord: dhruvibm