Update dependency typescript to v4

Author: renovate-bot

package.json

@@ -26,7 +26,7 @@
     "eslint-plugin-standard": "4.0.1",
     "ts-node": "9.0.0",
     "tslint": "6.1.3",
-    "typescript": "3.9.7"
+    "typescript": "4.0.2"
   },
   "engines": {
     "yarn": "^1.0.0"

yarn.lock

@@ -3115,10 +3115,10 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-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==
 
 uid2@0.0.3:
   version "0.0.3"