Bump eslint-config-airbnb-base from 12.1.0 to 13.1.0

Bumps [eslint-config-airbnb-base](https://github.com/airbnb/javascript) from 12.1.0 to 13.1.0.
- [Release notes](https://github.com/airbnb/javascript/releases)
- [Commits](airbnb/javascript@eslint-config-airbnb-base-v12.1.0...eslint-config-airbnb-base-v13.1.0)

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot-support

package-lock.json

@@ -32,7 +32,7 @@
     "clean-webpack-plugin": "^1.0.0",
     "cross-env": "^5.1.6",
     "eslint": "^5.2.0",
-    "eslint-config-airbnb-base": "^12.1.0",
+    "eslint-config-airbnb-base": "^13.1.0",
     "eslint-plugin-import": "^2.14.0",
     "html-webpack-plugin": "^3.2.0",
     "react": "^16.7.0",