move ansi_up to latest version: 4.0.4

this is also the version in debian libjs-ansi-up

src/resources/js/app.js

@@ -564,6 +564,7 @@ const Job = templateId => {
 // Component for the /job/:name/:number endpoint
 const Run = templateId => {
   const utf8decoder = new TextDecoder('utf-8');
+  const ansi_up = new AnsiUp;
   const state = {
     job: { artifacts: [], upstream: {} },
     latestNum: null,