Update headless figure save
@@ -19,8 +19,8 @@ HTML_TEMPLATE = """
<html>
<head>
<title>Embedding Vega-Lite</title>
- <script src="https://cdn.jsdelivr.net/npm/vega@3.0.10"></script>
- <script src="https://cdn.jsdelivr.net/npm/vega-lite@2.1.3"></script>
+ <script src="https://cdn.jsdelivr.net/npm/vega@3.2"></script>
+ <script src="https://cdn.jsdelivr.net/npm/vega-lite@2.3"></script>
<script src="https://cdn.jsdelivr.net/npm/vega-embed@3.0.0"></script>
</head>
<body>
