chore(deps): update dependency @types/graphql to v0.12.1

Author: renovate-bot

package.json

@@ -46,7 +46,7 @@
   },
   "devDependencies": {
     "@types/cucumber": "3.2.1",
-    "@types/graphql": "0.11.8",
+    "@types/graphql": "0.12.1",
     "@types/node": "9.3.0",
     "coveralls": "3.0.0",
     "cucumber": "3.2.1",

yarn.lock

@@ -64,9 +64,9 @@
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/@types/cucumber/-/cucumber-3.2.1.tgz#4269502cc1f8cc4b4bfe4fe4bc3bbe19226600bb"
 
-"@types/graphql@0.11.8":
-  version "0.11.8"
-  resolved "https://registry.yarnpkg.com/@types/graphql/-/graphql-0.11.8.tgz#53ff3604e99db810dd43347f19fcd1c59725a7bb"
+"@types/graphql@0.12.1":
+  version "0.12.1"
+  resolved "https://registry.yarnpkg.com/@types/graphql/-/graphql-0.12.1.tgz#2c2f9a0da3cd23ee1ce7a6e6c9135ceeb9131c05"
 
 "@types/[email protected]":
   version "9.3.0"