fix(package): update conventional-changelog-angular to version 5.0.0

Author: greenkeeper[bot]

package.json

@@ -16,7 +16,7 @@
     "Gregor Martynus (https://twitter.com/gr2m)"
   ],
   "dependencies": {
-    "conventional-changelog-angular": "^4.0.0",
+    "conventional-changelog-angular": "^5.0.0",
     "conventional-commits-parser": "^3.0.0",
     "debug": "^3.1.0",
     "import-from": "^2.1.0",