Update dependency typescript to v3.8.3

Author: renovate-bot

package.json

@@ -86,7 +86,7 @@
     "ts-jest": "25.2.0",
     "tslint": "6.0.0",
     "tslint-config-prettier": "1.18.0",
-    "typescript": "3.7.5"
+    "typescript": "3.8.3"
   },
   "engines": {
     "node": ">=0.10",

yarn.lock

@@ -4345,10 +4345,10 @@ typedarray-to-buffer@^3.1.5:
   dependencies:
     is-typedarray "^1.0.0"
 
-typescript@3.7.5:
-  version "3.7.5"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.5.tgz#0692e21f65fd4108b9330238aac11dd2e177a1ae"
-  integrity sha512-/P5lkRXkWHNAbcJIiHPfRoKqyd7bsyCma1hZNUGfn20qm64T6ZBlrzprymeu918H+mB/0rIg2gGK/BXkhhYgBw==
+typescript@3.8.3:
+  version "3.8.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.8.3.tgz#409eb8544ea0335711205869ec458ab109ee1061"
+  integrity sha512-MYlEfn5VrLNsgudQTVJeNaQFUAI7DkhnOjdpAp4T+ku1TfQClewlbSuTVHiA+8skNBgaf02TL/kLOvig4y3G8w==
 
 uglify-js@^3.1.4:
   version "3.7.6"