Update vis-network to latest

Darkproduct · Darkproduct · commit 99d13fa169c2 · 2022-04-12T23:30:04.000+02:00
diff --git a/pyvis/templates/template.html b/pyvis/templates/template.html
@@ -1,7 +1,7 @@
 <html>
 <head>
-<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/vis/4.16.1/vis.css" type="text/css" />
-<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/vis/4.16.1/vis-network.min.js"> </script>
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/vis-network@latest/styles/vis-network.css" type="text/css" />
+<script type="text/javascript" src="https://cdn.jsdelivr.net/npm/vis-network@latest/dist/vis-network.min.js"> </script>
 <center>
 <h1>{{heading}}</h1>
 </center>
