fix(deps): update dependency tslib to v1.9.3

Author: renovate-bot

package.json

@@ -18,7 +18,7 @@
     "es6-promise": "4.2.4",
     "form-data": "2.3.2",
     "isomorphic-fetch": "2.2.1",
-    "tslib": "1.9.2",
+    "tslib": "1.9.3",
     "workfront-api-constants": "2.0.0"
   },
   "devDependencies": {