chore(deps): update dependency typescript to v3

Author: renovate-bot

package.json

@@ -16,7 +16,7 @@
   "devDependencies": {
     "@types/node": "9.4.6",
     "graphql": "0.13.1",
-    "typescript": "2.7.2"
+    "typescript": "3.7.4"
   },
   "peerDependencies": {
     "graphql": "^0.11.0 || ^0.12.0 || ^0.13.0"

yarn.lock

@@ -812,9 +812,9 @@ tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   version "0.14.5"
   resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
 
-typescript@2.7.2:
-  version "2.7.2"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.7.2.tgz#2d615a1ef4aee4f574425cdff7026edf81919836"
+typescript@3.7.4:
+  version "3.7.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.4.tgz#1743a5ec5fef6a1fa9f3e4708e33c81c73876c19"
 
 uuid@^3.1.0:
   version "3.2.1"