Bump concurrently from 4.1.2 to 5.0.0 in /{{cookiecutter.app_name}}

Bumps [concurrently](https://github.com/kimmobrunfeldt/concurrently) from 4.1.2 to 5.0.0.
- [Release notes](https://github.com/kimmobrunfeldt/concurrently/releases)
- [Commits](https://github.com/kimmobrunfeldt/concurrently/compare/v4.1.2...v5.0.0)

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

{{cookiecutter.app_name}}/package.json

@@ -34,7 +34,7 @@
     "babel-eslint": "^10.0.1",
     "babel-loader": "^8.0.6",
     "babel-preset-env": "^1.7.0",
-    "concurrently": "^4.1.0",
+    "concurrently": "^5.0.0",
     "css-loader": "^3.0.0",
     "eslint-config-airbnb-base": "^14.0.0",
     "eslint-plugin-import": "^2.17.3",