chore(deps): update dependency eslint-plugin-import to v2.31.0

Author: renovate[bot]

package.json

@@ -41,7 +41,7 @@
     "chai": "4.3.6",
     "eslint": "4.19.1",
     "eslint-config-standard": "11.0.0",
-    "eslint-plugin-import": "2.25.4",
+    "eslint-plugin-import": "2.31.0",
     "eslint-plugin-node": "6.0.1",
     "eslint-plugin-promise": "3.8.0",
     "eslint-plugin-standard": "3.1.0",