Update dependency @babel/preset-env to v7.7.6

Author: renovate-bot

src/React.Sample.Webpack.CoreMvc/package-lock.json

@@ -24,7 +24,7 @@
     "@babel/plugin-proposal-class-properties": "7.7.4",
     "@babel/plugin-proposal-object-rest-spread": "7.7.4",
     "@babel/plugin-syntax-dynamic-import": "7.7.4",
-    "@babel/preset-env": "7.7.5",
+    "@babel/preset-env": "7.7.6",
     "@babel/preset-react": "7.7.4",
     "babel-loader": "8.0.6",
     "babel-runtime": "6.26.0",