missing HTTP response validation in the profile fetch logic

Author: annrose2277-glitch

src/pages/ContributorProfile/ContributorProfile.tsx

@@ -26,6 +26,9 @@ export default function ContributorProfile() {
 
       try {
         const userRes = await fetch(`https://api.github.com/users/${username}`);
+        if (!userRes.ok) {
+          throw new Error("Failed to fetch user data.");
+        }
         const userData = await userRes.json();
         setProfile(userData);