chore(deps): update dependency graphql-binding-github to v0.3.8

Author: renovate-bot

example/package.json

@@ -4,7 +4,7 @@
     "deploy": "now --public -e GITHUB_TOKEN && now alias && now rm --yes --safe graphql-binding-github"
   },
   "dependencies": {
-    "graphql-binding-github": "0.3.7",
+    "graphql-binding-github": "0.3.8",
     "graphql-yoga": "1.2.5"
   },
   "now": {

example/yarn.lock

@@ -360,16 +360,16 @@ fresh@0.5.2:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
 
-graphql-binding-github@0.3.7:
-  version "0.3.7"
-  resolved "https://registry.yarnpkg.com/graphql-binding-github/-/graphql-binding-github-0.3.7.tgz#1cd9ea362f14e1f18e5ee9a44742da68f245aa49"
+graphql-binding-github@0.3.8:
+  version "0.3.8"
+  resolved "https://registry.yarnpkg.com/graphql-binding-github/-/graphql-binding-github-0.3.8.tgz#c9959e9a9117e2cb7d0c03960c568916252173f0"
   dependencies:
     apollo-link "1.1.0"
     apollo-link-http "1.3.3"
     cross-fetch "1.1.1"
     graphql "0.13.0"
     graphql-binding "1.2.0"
-    graphql-tools "2.20.2"
+    graphql-tools "2.21.0"
 
 graphql-binding@1.2.0:
   version "1.2.0"
@@ -448,13 +448,14 @@ graphql-tools@2.18.0, graphql-tools@^2.18.0:
     graphql-subscriptions "^0.5.6"
     uuid "^3.1.0"
 
-graphql-tools@2.20.2:
-  version "2.20.2"
-  resolved "https://registry.yarnpkg.com/graphql-tools/-/graphql-tools-2.20.2.tgz#b953ce7d62bbf6a1ca947101883ae725e1f58e02"
+graphql-tools@2.21.0:
+  version "2.21.0"
+  resolved "https://registry.yarnpkg.com/graphql-tools/-/graphql-tools-2.21.0.tgz#c0d0fbda6f40a87c8d267a2989ade2ae8b9a288e"
   dependencies:
-    apollo-link "^1.0.0"
+    apollo-link "^1.1.0"
     apollo-utilities "^1.0.1"
     deprecated-decorator "^0.1.6"
+    iterall "^1.1.3"
     uuid "^3.1.0"
 
 graphql-yoga@1.2.5: