Bump concurrently from 4.1.0 to 5.0.2

Bumps [concurrently](https://github.com/kimmobrunfeldt/concurrently) from 4.1.0 to 5.0.2.
- [Release notes](https://github.com/kimmobrunfeldt/concurrently/releases)
- [Commits](https://github.com/kimmobrunfeldt/concurrently/compare/v4.1.0...v5.0.2)

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

package.json

@@ -66,7 +66,7 @@
     "webpack-stats-plugin": "^0.2.1"
   },
   "devDependencies": {
-    "concurrently": "^4.1.0",
+    "concurrently": "^5.0.2",
     "eslint": "^5.15.1",
     "eslint-config-airbnb-base": "^13.1.0",
     "eslint-plugin-import": "^2.11.0",