Merge pull request #43 from learn-ark/renovate/typescript-4.x

chore(deps): update dependency typescript to v4

Author: KovacZan

package.json

@@ -24,6 +24,6 @@
   },
   "devDependencies": {
     "@types/node": "13.13.15",
-    "typescript": "3.9.7"
+    "typescript": "4.0.2"
   }
 }