chore(deps): update dependency generate-changelog to v1.8.0

Author: renovate-bot

package.json

@@ -42,7 +42,7 @@
     "codeclimate-test-reporter": "0.5.1",
     "coveralls": "3.1.0",
     "eslint": "5.16.0",
-    "generate-changelog": "1.7.1",
+    "generate-changelog": "1.8.0",
     "istanbul": "0.4.5",
     "mocha": "5.2.0"
   },

yarn.lock

@@ -564,9 +564,10 @@ functional-red-black-tree@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
 
-generate-changelog@1.7.1:
-  version "1.7.1"
-  resolved "https://registry.yarnpkg.com/generate-changelog/-/generate-changelog-1.7.1.tgz#c0b549de34177e6a5d6414af3d74daea9a3cdc0f"
+generate-changelog@1.8.0:
+  version "1.8.0"
+  resolved "https://registry.yarnpkg.com/generate-changelog/-/generate-changelog-1.8.0.tgz#1d788cdef5a13a649da7eb2a1f3b02674850e4a8"
+  integrity sha512-msgpxeB75Ziyg3wGsZuPNl7c5RxChMKmYcAX5obnhUow90dBZW3nLic6nxGtst7Bpx453oS6zAIHcX7F3QVasw==
   dependencies:
     bluebird "^3.0.6"
     commander "^2.9.0"