chore(deps): update dependency graphql-yoga to v1.1.0 (#20)

Author: renovate[bot]

example/package.json

@@ -5,7 +5,7 @@
   },
   "dependencies": {
     "graphql-binding-github": "0.2.3",
-    "graphql-yoga": "1.0.0"
+    "graphql-yoga": "1.1.0"
   },
   "now": {
     "alias": "graphql-binding-github"

example/yarn.lock

@@ -589,9 +589,9 @@ graphql-tools@2.16.0, graphql-tools@^2.16.0:
     graphql-subscriptions "^0.5.6"
     uuid "^3.1.0"
 
-graphql-yoga@1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/graphql-yoga/-/graphql-yoga-1.0.0.tgz#19fee6979b0487a52667fea1a338a5647b7d3bf7"
+graphql-yoga@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/graphql-yoga/-/graphql-yoga-1.1.0.tgz#fe3d1447a0f2fd29b8e59753c9b3a5cf1a6f95e6"
   dependencies:
     "@types/cors" "^2.8.3"
     "@types/express" "^4.0.39"