Add changelog entry for versioin 1.13.6

Author: jgonggrijp

index.html

@@ -2798,6 +2798,11 @@ <h2 id="notes">Notes</h2>
 
       <h2 id="changelog">Change Log</h2>
 
+      <p id="1.13.6">
+        <b class="header">1.13.6</b> &mdash; <small><i>September 24, 2022</i></small> &mdash; <a href="https://github.com/jashkenas/underscore/compare/1.13.5...1.13.6">Diff</a> &mdash; <a href="https://cdn.statically.io/gh/jashkenas/underscore/1.13.6/index.html">Docs</a><br />
+        Hotfix to remove a <tt>postinstall</tt> script from the package.json, which unexpectedly broke many people's builds.
+      </p>
+
       <p id="1.13.5">
         <b class="header">1.13.5</b> &mdash; <small><i>September 23, 2022</i></small> &mdash; <a href="https://github.com/jashkenas/underscore/compare/1.13.4...1.13.5">Diff</a> &mdash; <a href="https://cdn.statically.io/gh/jashkenas/underscore/1.13.5/index.html">Docs</a><br />
         <ul>