upgrade to ts 3.7.4

package.json

@@ -185,7 +185,7 @@
     "tslint": "5.13.0",
     "tslint-microsoft-contrib": "6.0.0",
     "tslint-react": "3.6.0",
-    "typescript": "3.3.3333",
+    "typescript": "3.7.4",
     "webpack": "4.4.1"
   },
   "engines": {

yarn.lock

@@ -10202,10 +10202,10 @@ typedarray@^0.0.6:
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
   integrity sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=
 
-typescript@3.3.3333:
-  version "3.3.3333"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.3.3333.tgz#171b2c5af66c59e9431199117a3bcadc66fdcfd6"
-  integrity sha512-JjSKsAfuHBE/fB2oZ8NxtRTk5iGcg6hkYXMnZ3Wc+b2RSqejEqTaem11mHASMnFilHrax3sLK0GDzcJrekZYLw==
+typescript@3.7.4:
+  version "3.7.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.4.tgz#1743a5ec5fef6a1fa9f3e4708e33c81c73876c19"
+  integrity sha512-A25xv5XCtarLwXpcDNZzCGvW2D1S3/bACratYBx2sax8PefsFhlYmkQicKHvpYflFS8if4zne5zT5kpJ7pzuvw==
 
 uc.micro@^1.0.1:
   version "1.0.6"