ui (npm): bump @babel/preset-env from 7.11.5 to 7.12.1 in /ui

Bumps [@babel/preset-env](https://github.com/babel/babel/tree/HEAD/packages/babel-preset-env) from 7.11.5 to 7.12.1.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.12.1/packages/babel-preset-env)

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

ui/package.json

@@ -4,7 +4,7 @@
   "license": "GPL-3.0",
   "description": "UI app for Photoview",
   "dependencies": {
-    "@babel/preset-env": "^7.11.5",
+    "@babel/preset-env": "^7.12.1",
     "apollo-cache-inmemory": "^1.6.6",
     "apollo-client": "^2.6.10",
     "apollo-link": "^1.2.14",