chore(deps): update dependency typescript to v4

package.json

@@ -45,7 +45,7 @@
     "jest-watch-typeahead": "0.6.0",
     "prettier": "2.1.1",
     "ts-jest": "26.3.0",
-    "typescript": "3.9.7"
+    "typescript": "4.0.2"
   },
   "dependencies": {
     "jwks-rsa": "^1.8.1"

yarn.lock

@@ -6319,11 +6319,16 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-[email protected].7, [email protected].x, typescript@~3.9.7:
+[email protected], typescript@~3.9.7:
   version "3.9.7"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.7.tgz#98d600a5ebdc38f40cb277522f12dc800e9e25fa"
   integrity sha512-BLbiRkiBzAwsjut4x/dsibSTB6yWpwT5qWmC2OfuCg3GgVQCSgMs4vEctYPhsaGtd0AeuuHMkjZ2h2WG8MSzRw==
 
+[email protected]:
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.0.2.tgz#7ea7c88777c723c681e33bf7988be5d008d05ac2"
+  integrity sha512-e4ERvRV2wb+rRZ/IQeb3jm2VxBsirQLpQhdxplZ2MEzGvDkkMmPglecnNDfSUBivMjP93vRbngYYDQqQ/78bcQ==
+
 unc-path-regex@^0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/unc-path-regex/-/unc-path-regex-0.1.2.tgz#e73dd3d7b0d7c5ed86fbac6b0ae7d8c6a69d50fa"