Website: Fixed dead link to third-party tutorial #3155 (#3156)

index.html

@@ -298,7 +298,7 @@ <h1>Third-party tutorials</h1>
 		<li><a href="https://auralinna.blog/post/2017/code-syntax-highlighting-with-angular-and-prismjs">Code syntax highlighting with Angular and Prism.js</a></li>
 		<li><a href="https://mkaz.blog/wordpress/code-syntax-highlighting-in-gutenberg/">Code syntax highlighting in Gutenberg, WordPress block editor</a></li>
 		<li><a href="https://karlkaufmann.com/writing/technotes/code-highlighting-prism-drupal">Code Highlighting with Prism.js in Drupal</a></li>
-		<li><a href="https://pathof.dev/blog/code-highlighting-in-react-using-prismjs">Code highlighting in React using Prism.js</a></li>
+		<li><a href="https://betterstack.dev/blog/code-highlighting-in-react-using-prismjs/">Code highlighting in React using Prism.js</a></li>
 		<li><a href="https://www.akashmittal.com/react-native-prismjs-using-webview/">Using Prism.js in React Native</a></li>
 	</ul>