chore(deps): update dependency typescript to v2.9.2

Author: renovate-bot

package.json

@@ -24,7 +24,7 @@
     "graphql-cli": "2.16.4",
     "@types/graphql": "0.13.1",
     "@types/node": "10.1.4",
-    "typescript": "2.8.3"
+    "typescript": "2.9.2"
   },
   "repository": {
     "type": "git",

yarn.lock

@@ -2571,9 +2571,9 @@ type-is@^1.6.6, type-is@~1.6.15, type-is@~1.6.16:
     media-typer "0.3.0"
     mime-types "~2.1.18"
 
-typescript@2.8.3:
-  version "2.8.3"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.8.3.tgz#5d817f9b6f31bb871835f4edf0089f21abe6c170"
+typescript@2.9.2:
+  version "2.9.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.9.2.tgz#1cbf61d05d6b96269244eb6a3bce4bd914e0f00c"
 
 unique-string@^1.0.0:
   version "1.0.0"