Merge pull request #83 from netlify/chore/unicorn-26

Upgrade Unicorn plugin to `26.0.0`

Author: ehmicky

package-lock.json

@@ -86,7 +86,7 @@
     "eslint-plugin-prettier": "^3.1.4",
     "eslint-plugin-promise": "^4.2.1",
     "eslint-plugin-react": "^7.21.5",
-    "eslint-plugin-unicorn": "^25.0.0",
+    "eslint-plugin-unicorn": "^26.0.0",
     "eslint-plugin-you-dont-need-lodash-underscore": "^6.10.0",
     "execa": "^5.0.0",
     "husky": "^4.3.0",