chore(deps): update dependency standard-version to v5

Author: renovate-bot

Diff for: package.json

@@ -61,7 +61,7 @@
     "react": "16.8.1",
     "rimraf": "2.6.3",
     "source-map-support": "0.5.10",
-    "standard-version": "4.4.0",
+    "standard-version": "5.0.0",
     "tslint": "5.12.1",
     "typescript": "3.3.3"
   },