Upgrade TypeScript to v4.4

package.json

@@ -45,7 +45,7 @@
     "puppeteer": "^6.0.0",
     "sinon": "^9.2.4",
     "typedoc": "^0.15.0",
-    "typescript": "4.1.3",
+    "typescript": "4.4.0-beta",
     "webpack": "4"
   }
 }

yarn.lock

@@ -10647,10 +10647,10 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.4.tgz#1743a5ec5fef6a1fa9f3e4708e33c81c73876c19"
   integrity sha512-A25xv5XCtarLwXpcDNZzCGvW2D1S3/bACratYBx2sax8PefsFhlYmkQicKHvpYflFS8if4zne5zT5kpJ7pzuvw==
 
-typescript@4.1.3:
-  version "4.1.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.1.3.tgz#519d582bd94cba0cf8934c7d8e8467e473f53bb7"
-  integrity sha512-B3ZIOf1IKeH2ixgHhj6la6xdwR9QrLC5d1VKeCSY4tvkqhF2eqd9O7txNlS0PO3GrBAFIdr3L1ndNwteUbZLYg==
+typescript@4.4.0-beta:
+  version "4.4.0-beta"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-4.4.0-beta.tgz#a5b8a3a0d260fa5ce84daa3ab58f7102ad19a655"
+  integrity sha512-qMxA8NzN3igwX8Mii7MXGNW+YeFAkUKyKg+x4F1CCFsO36LqISf1EXXSOLDuRIdGjdVvV53grRxfHjOW65YfMA==
 
 ua-parser-js@^0.7.23:
   version "0.7.23"