chore(package): update tsickle to version 0.38.1

Closes #234

Author: greenkeeper[bot]

package.json

@@ -194,7 +194,7 @@
     "prettier": "1.17.0",
     "protractor": "5.4.2",
     "ts-node": "8.1.0",
-    "tsickle": "0.35.0",
+    "tsickle": "0.38.1",
     "tslib": "1.9.3",
     "tslint": "5.16.0",
     "tslint-config-prettier": "1.18.0",