Bump @babel/preset-env from 7.10.2 to 7.12.11

Bumps [@babel/preset-env](https://github.com/babel/babel/tree/HEAD/packages/babel-preset-env) from 7.10.2 to 7.12.11.
- [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/v7.12.11/packages/babel-preset-env)

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

package.json

@@ -66,7 +66,7 @@
     "@babel/plugin-transform-flow-strip-types": "^7.2.3",
     "@babel/plugin-transform-runtime": "^7.4.3",
     "@babel/polyfill": "^7.2.5",
-    "@babel/preset-env": "^7.7.1",
+    "@babel/preset-env": "^7.12.11",
     "@babel/preset-flow": "^7.0.0",
     "@babel/preset-react": "^7.0.0",
     "@babel/register": "^7.0.0",