Update babel monorepo to v7.7.6

Author: renovate-bot

package.json

@@ -39,8 +39,8 @@
     "@babel/core": "7.7.5",
     "@babel/plugin-proposal-class-properties": "7.7.4",
     "@babel/plugin-proposal-object-rest-spread": "7.7.4",
-    "@babel/plugin-transform-runtime": "7.7.5",
-    "@babel/preset-env": "7.7.5",
+    "@babel/plugin-transform-runtime": "7.7.6",
+    "@babel/preset-env": "7.7.6",
     "@babel/preset-react": "7.7.4",
     "@babel/preset-typescript": "7.7.4",
     "@pika/pack": "0.5.0",