chore(deps): update dependency generate-changelog to v1.7.1

Author: renovate-bot

package-lock.json

@@ -52,7 +52,7 @@
     "eslint-plugin-node": "6.0.1",
     "eslint-plugin-promise": "3.7.0",
     "eslint-plugin-standard": "3.0.1",
-    "generate-changelog": "1.7.0",
+    "generate-changelog": "1.7.1",
     "husky": "0.14.3",
     "istanbul": "0.4.5",
     "lint-staged": "7.0.0",