chore: update dependency conventional-changelog-angular to v1.6.4

Author: renovate-bot

@commitlint/rules/package.json

@@ -67,7 +67,7 @@
     "babel-preset-commitlint": "^6.1.0",
     "babel-register": "6.26.0",
     "concurrently": "3.5.1",
-    "conventional-changelog-angular": "1.6.0",
+    "conventional-changelog-angular": "1.6.4",
     "cross-env": "5.1.1",
     "globby": "6.1.0",
     "lodash.values": "4.3.0",

yarn.lock

@@ -1773,9 +1773,9 @@ contains-path@^0.1.0:
   version "0.1.0"
   resolved "https://registry.npmjs.org/contains-path/-/contains-path-0.1.0.tgz#fe8cf184ff6670b6baef01a9d4861a5cbec4120a"
 
-[email protected].0:
-  version "1.6.0"
-  resolved "https://registry.npmjs.org/conventional-changelog-angular/-/conventional-changelog-angular-1.6.0.tgz#0a26a071f2c9fcfcf2b86ba0cfbf6e6301b75bfa"
+[email protected].4:
+  version "1.6.4"
+  resolved "https://registry.npmjs.org/conventional-changelog-angular/-/conventional-changelog-angular-1.6.4.tgz#47debaf92b75b0bd6b39fcba8f9c70dd97552be6"
   dependencies:
     compare-func "^1.3.1"
     q "^1.4.1"