EDITED: Cosmic demo updates (#15308)

Co-authored-by: NLuis Alvarez D <luis@vercel.com>

examples/cms-cosmic/README.md

@@ -4,7 +4,7 @@ This example showcases Next.js's [Static Generation](https://nextjs.org/docs/bas
 
 ## Demo
 
-[https://next-blog-cosmic.now.sh/](https://next-blog-cosmic.now.sh/)
+[https://cosmic-next-blog.vercel.app/](https://cosmic-next-blog.vercel.app/)
 
 ## Deploy your own
 

examples/cms-cosmic/components/avatar.js

@@ -3,7 +3,7 @@ export default function Avatar({ name, picture }) {
     <div className="flex items-center">
       {picture && (
         <img
-          src={`${picture}?auto=format,compress,enhance&w=48&h48`}
+          src={`${picture}?auto=format,compress,enhance&w=100&h=100`}
           className="w-12 h-12 rounded-full mr-4"
           alt={name}
         />