Update dependency eslint-plugin-import to v2.15.0

Author: renovate-bot

package-lock.json

@@ -49,7 +49,7 @@
     "css-loader": "2.1.0",
     "eslint": "5.12.1",
     "eslint-config-airbnb": "17.1.0",
-    "eslint-plugin-import": "2.14.0",
+    "eslint-plugin-import": "2.15.0",
     "eslint-plugin-jsx-a11y": "6.1.2",
     "eslint-plugin-react": "7.12.4",
     "file-loader": "3.0.1",