Bump prettier from 2.3.2 to 2.4.0 in /ui/changes (#2522)

Bumps [prettier](https://github.com/prettier/prettier) from 2.3.2 to 2.4.0.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prettier/prettier/compare/2.3.2...2.4.0)

---
updated-dependencies:
- dependency-name: prettier
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

ui/changes/package-lock.json

@@ -2847,9 +2847,9 @@
       "dev": true
     },
     "prettier": {
-      "version": "2.3.2",
-      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.3.2.tgz",
-      "integrity": "sha512-lnJzDfJ66zkMy58OL5/NY5zp70S7Nz6KqcKkXYzn2tMVrNxvbqaBpg7H3qHaLxCJ5lNMsGuM8+ohS7cZrthdLQ==",
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.4.0.tgz",
+      "integrity": "sha512-DsEPLY1dE5HF3BxCRBmD4uYZ+5DCbvatnolqTqcxEgKVZnL2kUfyu7b8pPQ5+hTBkdhU9SLUmK0/pHb07RE4WQ==",
       "dev": true
     },
     "proc-log": {

ui/changes/package.json

@@ -12,7 +12,7 @@
   "author": "",
   "license": "ISC",
   "devDependencies": {
-    "prettier": "^2.3.2",
+    "prettier": "^2.4.0",
     "snowpack": "^3.8.8"
   },
   "dependencies": {