Update dependency typescript to v4.0.5

Author: renovate-bot

package-lock.json

@@ -52,7 +52,7 @@
     "ts-jest": "26.4.3",
     "ts-node": "9.0.0",
     "ts-node-dev": "1.0.0",
-    "typescript": "4.0.3"
+    "typescript": "4.0.5"
   },
   "jest": {
     "collectCoverageFrom": [