chore(package): update gulp-conventional-changelog to version 2.0.25

Closes #64

Author: greenkeeper[bot]

demo/package.json

@@ -59,7 +59,7 @@
     "fancy-log": "1.3.3",
     "gulp": "^3.9.1",
     "gulp-bump": "3.1.3",
-    "gulp-conventional-changelog": "2.0.10",
+    "gulp-conventional-changelog": "2.0.25",
     "gulp-coveralls": "0.1.4",
     "gulp-file": "0.4.0",
     "gulp-git": "2.9.0",