Use pepjs in examples to support more old/exotic browsers

examples/templates/example.html

@@ -149,8 +149,8 @@
     <title>{{ title }}</title>
     <!-- The line below is only needed for old environments like Internet Explorer and Android 4.x -->
     <script src="https://cdn.polyfill.io/v2/polyfill.min.js?features=fetch,requestAnimationFrame,Element.prototype.classList,URL"></script>
-    <!-- Pointer events polyfill for old browsers, seehttps://caniuse.com/#feat=pointer -->
-    <script src="https://unpkg.com/elm-pep"></script>{{#if extraHead.remote}}
+    <!-- Pointer events polyfill for old browsers, see https://caniuse.com/#feat=pointer -->
+    <script src="https://unpkg.com/@openlayers/pepjs"></script>{{#if extraHead.remote}}
 {{ indent extraHead.remote spaces=4 }}{{/if}}
     <style>
       .map {