Update index.html

Author: whesse

testing/test_package_docs/index.html

@@ -4,7 +4,7 @@
   <meta charset="utf-8">
   <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta name="viewport" content="width=device-width, initial-scale=1">
-  <meta name="generator" content="made with love by dartdoc 0.9.7+2">
+  <meta name="generator" content="made with love by dartdoc 0.9.7+3">
   <meta name="description" content="test_package API docs, for the Dart programming language.">
   <title>test_package - Dart API docs</title>