chore(deps): bump @babel/standalone from 7.12.3 to 7.12.4 in /client

Bumps [@babel/standalone](https://github.com/babel/babel/tree/HEAD/packages/babel-standalone) from 7.12.3 to 7.12.4.
- [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/v7.12.4/packages/babel-standalone)

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

client/package-lock.json

@@ -2713,9 +2713,9 @@
       }
     },
     "@babel/standalone": {
-      "version": "7.12.3",
-      "resolved": "https://registry.npmjs.org/@babel/standalone/-/standalone-7.12.3.tgz",
-      "integrity": "sha512-+zZdF3o/CEeSQ+WDZWeqdVVHGc1oQ+EZuYOQnCGyngNXroH+uMhHa00ki6egI/EddI6vHMH3TEdQhXAx98usXg=="
+      "version": "7.12.4",
+      "resolved": "https://registry.npmjs.org/@babel/standalone/-/standalone-7.12.4.tgz",
+      "integrity": "sha512-9vw7RYK7CWh5MdTfLyC7j6hZmDYmm6DieFP4yetvpVftKQ+yrEY7ovhnhsVHznLqx5luU9Bx4k7xoEc3acrsow=="
     },
     "@babel/template": {
       "version": "7.8.6",

client/package.json

@@ -8,7 +8,7 @@
     "@babel/plugin-proposal-export-default-from": "^7.10.4",
     "@babel/plugin-proposal-function-bind": "^7.12.1",
     "@babel/polyfill": "^7.12.1",
-    "@babel/standalone": "^7.12.3",
+    "@babel/standalone": "^7.12.4",
     "@fortawesome/fontawesome": "^1.1.8",
     "@fortawesome/fontawesome-svg-core": "^1.2.30",
     "@fortawesome/free-brands-svg-icons": "^5.15.1",