adds Drew's bio photo

Author: tvidas

config/content/speakers.json

@@ -571,7 +571,7 @@
             "bluesky": "",
             "github": "",
             "linkedin": "https://www.linkedin.com/in/andrewg1337",
-            "image": "",
+            "image": "Drew_Griess.jpg",
             "bio": "Andrew Griess is a Red Teamer at Centene who gets paid to break things and calls it a career. With 3 years of professional red team experience, he’s made it his mission to think like an attacker while not succumbing to the dark side. When not poking holes in things for money, Andrew is deep in security research — chasing the next interesting bug, developing new techniques or going down rabbit holes that started as "just a quick look."",
             "talk_id": "ctrlccontrolme"
           }