Kumaraditya - change role from intern to phd

Author: kumaradityag

_data/people.yml

@@ -331,7 +331,7 @@ yehao:
 
 kumaraditya:
     display_name: Kumaraditya Gupta
-    role: intern
+    role: phd
     advisor: Liam Paull
     image: /img/people/kumaraditya.jpg