chore: add conventional-changelog-cli as devDep (#1841)

Author: Vladimir Amiorkov

nativescript-angular/package.json

@@ -70,6 +70,7 @@
     "@angular/platform-browser-dynamic": "8.0.0",
     "@angular/router": "8.0.0",
     "codelyzer": "^4.5.0",
+    "conventional-changelog-cli": "^1.3.22",
     "rxjs": "~6.3.3",
     "tns-core-modules": "next",
     "tslint": "^5.5.0",