Bump babel-loader from 8.0.5 to 8.0.6 in /js

Bumps [babel-loader](https://github.com/babel/babel-loader) from 8.0.5 to 8.0.6.
- [Release notes](https://github.com/babel/babel-loader/releases)
- [Changelog](https://github.com/babel/babel-loader/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel-loader/compare/v8.0.5...v8.0.6)

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

js/package.json

@@ -30,7 +30,7 @@
     "@babel/plugin-syntax-dynamic-import": "^7.2.0",
     "@babel/polyfill": "^7.4.4",
     "@babel/preset-env": "^7.4.4",
-    "babel-loader": "^8.0.5",
+    "babel-loader": "^8.0.6",
     "css-loader": "^2.1.1",
     "karma": "^4.1.0",
     "mini-css-extract-plugin": "^0.6.0",