Fix countup

Author: phated

website/static/index.html

@@ -238,7 +238,7 @@ <h3 class="subheading">Top Sponsors</h3>
 
   <script src="https://unpkg.com/promise-polyfill@6.0.2/promise.min.js"></script>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/fetch/2.0.3/fetch.min.js"></script>
-  <script src="https://unpkg.com/countup.js"></script>
+  <script src="https://unpkg.com/countup.js@1.9.3/dist/countUp.min.js"></script>
   <script async src="js/script.js"></script>
 </body>