add asrinivasanyb to CONTRIBUTORS.md

Summary: This adds myself (asrinivasanyb) to the contributors list

Test Plan: NA

Reviewers: aagrawal, skumar

Reviewed By: aagrawal

Differential Revision: https://phorge.dev.yugabyte.com/D26479

CONTRIBUTORS.md

@@ -159,3 +159,4 @@ This is a list of people who have contributed code to the [YugabyteDB](https://g
 * [nishantwrp](https://github.com/nishantwrp)
 * [mdbridge](https://github.com/mdbridge)
 * [hbhanawat](https://github.com/hbhanawat)
+* [asrinivasanyb](https://github.com/asrinivasanyb)