Replace Triton team portraits

Author: ilatims-b

public/images/team/mukunthan.jpeg

@@ -284,14 +284,14 @@
       "name": "Mukunthan",
       "role": "Project Member",
       "group": "triton-cu",
-      "image": "/images/team/mukunthan.png"
+      "image": "/images/team/mukunthan.jpeg"
     },
     {
       "id": "pradish-triton-cu",
       "name": "Pradish",
       "role": "Project Member",
       "group": "triton-cu",
-      "image": "/images/team/pradish.png"
+      "image": "/images/team/pradish.jpeg"
     },
     {
       "id": "harish-triton-cu",