authors: add vishal.vaibhav to authors

Epic: None
Release note: None

Author: vishalv1994

AUTHORS

@@ -539,6 +539,7 @@ veteranlu <23907238@qq.com>
 Victor Chen <victor@cockroachlabs.com>
 Vidit Bhat <vidit.bhat@cockroachlabs.com> <bhatvidit@gmail.com>
 Vijay Karthik <vijay.karthik@rubrik.com>
+Vishal Vaibhav <vishal.vaibhav@cockroachlabs.com> vishalv87 <vishal.turnal@gmail.com>
 Vivek Menezes <vivek.menezes@gmail.com> <vivek1@viveks-MacBook-Pro.local> <vivek@cockroachlabs.com> vivekmenezes <vivekmenezes@users.noreply.github.com>
 Vlad Artamonov <carrott9@gmail.com> Vlad <carrott9@gmail.com> <@cockroachlabs.com>
 Vy Ton <vyton92@gmail.com> <vy@cockroachlabs.com>