Fix typos in affiliation (#667)

Author: gagb

website/blog/authors.yml

@@ -42,7 +42,7 @@ beibinli:
 
 gagb:
   name: Gagan Bansal
-  title: Senior Researcher at Microsoft Research AI Frontier
+  title: Senior Researcher at Microsoft Research
   url: https://www.linkedin.com/in/gagan-bansal/
   image_url: https://github.com/gagb.png