Bump @babel/plugin-syntax-dynamic-import from 7.2.0 to 7.7.4 in /js

Bumps [@babel/plugin-syntax-dynamic-import](https://github.com/babel/babel) from 7.2.0 to 7.7.4.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.2.0...v7.7.4)

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

js/package-lock.json

@@ -608,9 +608,9 @@
       }
     },
     "@babel/plugin-syntax-dynamic-import": {
-      "version": "7.2.0",
-      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-dynamic-import/-/plugin-syntax-dynamic-import-7.2.0.tgz",
-      "integrity": "sha512-mVxuJ0YroI/h/tbFTPGZR8cv6ai+STMKNBq0f8hFxsxWjl94qqhsb+wXbpNMDPU3cfR1TIsVFzU3nXyZMqyK4w==",
+      "version": "7.7.4",
+      "resolved": "https://registry.npmjs.org/@babel/plugin-syntax-dynamic-import/-/plugin-syntax-dynamic-import-7.7.4.tgz",
+      "integrity": "sha512-jHQW0vbRGvwQNgyVxwDh4yuXu4bH1f5/EICJLAhl1SblLs2CDhrsmCk+v5XLdE9wxtAFRyxx+P//Iw+a5L/tTg==",
       "requires": {
         "@babel/helper-plugin-utils": "^7.0.0"
       }

js/package.json

@@ -27,7 +27,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.6.4",
-    "@babel/plugin-syntax-dynamic-import": "^7.2.0",
+    "@babel/plugin-syntax-dynamic-import": "^7.7.4",
     "@babel/polyfill": "^7.7.0",
     "@babel/preset-env": "^7.6.3",
     "babel-loader": "^8.0.6",