Update dependency typescript to v4

Author: renovate-bot

package.json

@@ -51,7 +51,7 @@
     "tslint": "6.1.3",
     "tslint-config-prettier": "1.18.0",
     "typedoc": "0.18.0",
-    "typescript": "3.9.7",
+    "typescript": "4.0.2",
     "uuid": "8.3.0"
   },
   "scripts": {

yarn.lock

@@ -5217,10 +5217,10 @@ typedoc@0.18.0:
     shelljs "^0.8.4"
     typedoc-default-themes "^0.10.2"
 
-typescript@3.9.7:
-  version "3.9.7"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
-  integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
+typescript@4.0.2:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.2.tgz#7ea7c88777c723c681e33bf7988be5d008d05ac2"
+  integrity sha512-e4ERvRV2wb+rRZ/IQeb3jm2VxBsirQLpQhdxplZ2MEzGvDkkMmPglecnNDfSUBivMjP93vRbngYYDQqQ/78bcQ==
 
 ua-parser-js@0.7.21:
   version "0.7.21"