chore(docs): Fixes typo in tutorial part 4 (#32859)

Author: torn4dom4n

docs/docs/tutorial/part-4/index.mdx

@@ -483,7 +483,7 @@ const Layout = ({ pageTitle, children }) => {
         <h1 className={heading}>{pageTitle}</h1>
         {children}
       </main>
-    </main>
+    </div>
   )
 }