Bump @testing-library/user-event from 12.1.5 to 12.1.6 in /ui

Bumps [@testing-library/user-event](https://github.com/testing-library/user-event) from 12.1.5 to 12.1.6.
- [Release notes](https://github.com/testing-library/user-event/releases)
- [Changelog](https://github.com/testing-library/user-event/blob/master/CHANGELOG.md)
- [Commits](https://github.com/testing-library/user-event/compare/v12.1.5...v12.1.6)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

ui/package-lock.json

@@ -2210,9 +2210,9 @@
       }
     },
     "@testing-library/user-event": {
-      "version": "12.1.5",
-      "resolved": "https://registry.npmjs.org/@testing-library/user-event/-/user-event-12.1.5.tgz",
-      "integrity": "sha512-FzTnKvb0KC4T84G6uTx971ja8OOqLlsprzWbeRyd8f1MDwbcLIFgx0Hyr56izY9m9y2KwHGVKeVEkTPslw32lw==",
+      "version": "12.1.6",
+      "resolved": "https://registry.npmjs.org/@testing-library/user-event/-/user-event-12.1.6.tgz",
+      "integrity": "sha512-BdSe6cmzDEapTBH3s1NKbzu+GyX5bJKraKwVpM2vZF1+EEWxZr0EiA0z9bA5Nux8P+6nKMOZKsXQrj5q/kicfQ==",
       "dev": true,
       "requires": {
         "@babel/runtime": "^7.10.2"

ui/package.json

@@ -28,7 +28,7 @@
   "devDependencies": {
     "@testing-library/jest-dom": "^5.11.4",
     "@testing-library/react": "^11.0.4",
-    "@testing-library/user-event": "^12.1.5",
+    "@testing-library/user-event": "^12.1.6",
     "prettier": "^2.1.2"
   },
   "scripts": {