Update dependency @babel/preset-react to v7.9.4

Author: renovate-bot

package-lock.json

@@ -49,7 +49,7 @@
   "devDependencies": {
     "@babel/core": "7.9.0",
     "@babel/preset-env": "7.9.0",
-    "@babel/preset-react": "7.9.1",
+    "@babel/preset-react": "7.9.4",
     "@babel/preset-typescript": "7.9.0",
     "@pika/pack": "0.3.7",
     "@pika/plugin-build-node": "0.9.2",