chore(package): update eslint-plugin-import to version 2.20.1

Closes #41

Author: greenkeeper[bot]

package.json

@@ -39,7 +39,7 @@
     "cz-conventional-changelog": "2.1.0",
     "eslint": "4.19.1",
     "eslint-config-luanmuniz": "0.2.1",
-    "eslint-plugin-import": "2.12.0",
+    "eslint-plugin-import": "2.20.1",
     "eslint-plugin-jest": "21.27.1",
     "jest": "23.1.0",
     "jest-extended": "0.7.2",