Replace Developer Center CTA with a CTA leading to the Skill Badges

Author: sis0k0

docs/90-summary.mdx

@@ -13,4 +13,4 @@ Congratulations! Following this tutorial, you have successfully:
 * Installed additional tools such as Compass.
 * Imported the library sample dataset.
 
-Visit the <Link to="https://mongodb.com/developer/">MongoDB Developer Center</Link> for more useful information and tutorials.
+Explore all free <Link to="https://learn.mongodb.com/skills?team=devrel&">MongoDB Skill Badge</Link> courses and level up your skills today!