[FIX] web_timeline: Add <b> element to XSS whitelist for safer HTML rendering

Author: carlos-lopez-tecnativa

web_timeline/static/src/views/timeline/timeline_renderer.esm.js

@@ -231,6 +231,7 @@ export class TimelineRenderer extends Component {
     getXSSWhiteList() {
         // Add more elements to the whitelist as needed.
         return {
+            b: [],
             div: ["class", "style"],
             span: ["class", "name"],
             small: ["class", "name"],