Bump @babel/preset-env from 7.8.2 to 7.8.3 in /WcaOnRails

Bumps [@babel/preset-env](https://github.com/babel/babel) from 7.8.2 to 7.8.3.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](babel/babel@v7.8.2...v7.8.3)

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

WcaOnRails/package.json

@@ -11,7 +11,7 @@
     "@babel/plugin-syntax-dynamic-import": "^7.8.3",
     "@babel/plugin-syntax-import-meta": "^7.8.3",
     "@babel/polyfill": "^7.7.0",
-    "@babel/preset-env": "^7.8.2",
+    "@babel/preset-env": "^7.8.3",
     "@babel/preset-react": "^7.8.3",
     "@rails/webpacker": "^4.2.2",
     "autonumeric": "^4.5.10",