chore(deps): update dependency eslint-plugin-import to v2.15.0

Author: renovate-bot

package-lock.json

@@ -36,7 +36,7 @@
     "chai": "4.2.0",
     "eslint": "5.12.1",
     "eslint-config-standard": "11.0.0",
-    "eslint-plugin-import": "2.14.0",
+    "eslint-plugin-import": "2.15.0",
     "eslint-plugin-node": "7.0.1",
     "eslint-plugin-promise": "3.8.0",
     "eslint-plugin-standard": "4.0.0",