chore(deps-dev): bump @babel/plugin-syntax-dynamic-import

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](babel/babel@v7.2.0...v7.7.4)

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

packages/examples/graphiql-webpack/package.json

@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "@babel/plugin-proposal-class-properties": "7.7.0",
-    "@babel/plugin-syntax-dynamic-import": "7.2.0",
+    "@babel/plugin-syntax-dynamic-import": "7.7.4",
     "@babel/preset-env": "7.7.1",
     "@babel/preset-react": "7.7.0",
     "babel-loader": "^8.0.6",

yarn.lock

@@ -540,10 +540,10 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
-"@babel/plugin-syntax-dynamic-import@7.2.0", "@babel/plugin-syntax-dynamic-import@^7.2.0":
-  version "7.2.0"
-  resolved "https://registry.npmjs.org/@babel/plugin-syntax-dynamic-import/-/plugin-syntax-dynamic-import-7.2.0.tgz#69c159ffaf4998122161ad8ebc5e6d1f55df8612"
-  integrity sha512-mVxuJ0YroI/h/tbFTPGZR8cv6ai+STMKNBq0f8hFxsxWjl94qqhsb+wXbpNMDPU3cfR1TIsVFzU3nXyZMqyK4w==
+"@babel/plugin-syntax-dynamic-import@7.7.4", "@babel/plugin-syntax-dynamic-import@^7.2.0":
+  version "7.7.4"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-syntax-dynamic-import/-/plugin-syntax-dynamic-import-7.7.4.tgz#29ca3b4415abfe4a5ec381e903862ad1a54c3aec"
+  integrity sha512-jHQW0vbRGvwQNgyVxwDh4yuXu4bH1f5/EICJLAhl1SblLs2CDhrsmCk+v5XLdE9wxtAFRyxx+P//Iw+a5L/tTg==
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"