Fix Hamdaan's image in blog (#1182)

Co-authored-by: Hamdaan Khalid <[email protected]>

Author: hamdaankhalid

website/blog/authors.yml

@@ -7,4 +7,5 @@ badrishc:
 hkhalid:
   name: Hamdaan Khalid
   title: Software Engineer, Azure Resource Graph
-  url: https://hamdaan-rails-personal.herokuapp.com/assets/me-f1fa367c094eedf1c151b0b0dfbc057c2b047dec4e10f3974167ec3f803d81f0.jpg 
+  url: https://hamdaan-rails-personal.herokuapp.com/about
+  image_url: https://hamdaan-rails-personal.herokuapp.com/assets/me-f1fa367c094eedf1c151b0b0dfbc057c2b047dec4e10f3974167ec3f803d81f0.jpg