Update X handle for huntie (facebook#4396)

Author: huntie

website/blog/authors.yml

@@ -155,7 +155,7 @@ huntie:
   name: Alex Hunt
   title: Software Engineer at Meta
   socials:
-    x: alxhnt
+    x: huntie
     github: huntie
   image_url: https://github.com/huntie.png