build: update commitlint

Author: Matt Lewis

package-lock.json

@@ -73,9 +73,9 @@
     "@angular/platform-browser": "^5.0.2",
     "@angular/platform-browser-dynamic": "^5.0.2",
     "@angular/router": "^5.0.2",
-    "@commitlint/cli": "^4.3.0",
+    "@commitlint/cli": "^5.0.1",
     "@commitlint/config-angular": "^4.3.0",
-    "@commitlint/prompt": "^4.3.0",
+    "@commitlint/prompt": "^5.0.1",
     "@compodoc/compodoc": "^1.0.4",
     "@mattlewis92/webpack-karma-die-hard": "^1.0.4",
     "@ng-bootstrap/ng-bootstrap": "^1.0.0-beta.5",