pastebin.mustache in onebox-1.9.27.2

- old
+ new

@@ -1,3 +1,3 @@
-<h4><a href="{{link}}" target="_blank">{{link}}</a></h4>
+<h4><a href="{{link}}" target="_blank" rel="noopener">{{link}}</a></h4>
 <pre><code class='lang-auto'>{{content}}</code></pre>
-{{#truncated?}}This paste has been truncated. <a href="{{link}}" target="_blank">show original</a>{{/truncated?}}
+{{#truncated?}}This paste has been truncated. <a href="{{link}}" target="_blank" rel="noopener">show original</a>{{/truncated?}}