chore(deps): update dependency @types/graphql to v0.11.8

Author: renovate-bot

package.json

@@ -25,7 +25,7 @@
   },
   "homepage": "https://github.com/graphcool/graphql-cli-voyager#readme",
   "devDependencies": {
-    "@types/graphql": "0.11.7",
+    "@types/graphql": "0.11.8",
     "@types/node": "8.5.7",
     "tslint": "5.8.0",
     "tslint-config-standard": "7.0.0",

yarn.lock

@@ -38,6 +38,10 @@
   version "0.11.7"
   resolved "https://registry.yarnpkg.com/@types/graphql/-/graphql-0.11.7.tgz#da39a2f7c74e793e32e2bb7b3b68da1691532dd5"
 
+"@types/[email protected]":
+  version "0.11.8"
+  resolved "https://registry.yarnpkg.com/@types/graphql/-/graphql-0.11.8.tgz#53ff3604e99db810dd43347f19fcd1c59725a7bb"
+
 "@types/lodash@^4.14.85":
   version "4.14.91"
   resolved "https://registry.yarnpkg.com/@types/lodash/-/lodash-4.14.91.tgz#794611b28056d16b5436059c6d800b39d573cd3a"