[RELEASE] Bump to v5.4.0 (#1074)

**HOLD until we merge #1073

## 🎉 Features
* Added Announcement component using USWDS Design System and adding
purge-css #1031

## 🚀 Improvements
* Add logic for tracking out-of-view Timeline playheads for E&A page
#1067
* Abstract Away Faux Modules from MapBlock Component and expose as
library component #1046

## 🐛 Fixes
- 🦗

package.json

@@ -1,7 +1,7 @@
 {
   "name": "@developmentseed/veda-ui",
   "description": "Dashboard",
-  "version": "5.3.1",
+  "version": "5.4.0",
   "author": {
     "name": "Development Seed",
     "url": "https://developmentseed.org/"