Update dependency typescript to v3.9.2

Author: renovate-bot

package.json

@@ -47,7 +47,7 @@
         "ts-node": "8.10.1",
         "tsconfig-paths": "3.9.0",
         "typedoc": "0.17.6",
-        "typescript": "3.8.3",
+        "typescript": "3.9.2",
         "@types/ioredis": "4.14.3",
         "prettier": "2.0.5"
     },

yarn.lock

@@ -5265,10 +5265,10 @@ typedoc@0.17.6:
     shelljs "^0.8.4"
     typedoc-default-themes "^0.10.1"
 
-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==
+typescript@3.9.2:
+  version "3.9.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.9.2.tgz#64e9c8e9be6ea583c54607677dd4680a1cf35db9"
+  integrity sha512-q2ktq4n/uLuNNShyayit+DTobV2ApPEo/6so68JaD5ojvc/6GClBipedB9zNWYxRSAlZXAe405Rlijzl6qDiSw==
 
 uglify-js@^3.1.4:
   version "3.7.5"