chore(deps): update dependency graphql-binding-github to v0.3.18

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": "0.3.17",
+    "graphql-binding-github": "0.3.18",
     "graphql-yoga": "1.5.0"
   },
   "now": {

example/yarn.lock

@@ -289,11 +289,11 @@ cross-fetch@0.0.8:
     node-fetch "1.7.3"
     whatwg-fetch "2.0.3"
 
-cross-fetch@2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-2.0.0.tgz#a17475449561e0f325146cea636a8619efb9b382"
+cross-fetch@2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/cross-fetch/-/cross-fetch-2.1.0.tgz#7d4ea7e10a4f3bb73d5c2f0a3791ec3752d39b50"
   dependencies:
-    node-fetch "2.0.0"
+    node-fetch "2.1.1"
     whatwg-fetch "2.0.3"
 
 debug@2.6.9:
@@ -418,13 +418,13 @@ fresh@0.5.2:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
 
-graphql-binding-github@0.3.17:
-  version "0.3.17"
-  resolved "https://registry.yarnpkg.com/graphql-binding-github/-/graphql-binding-github-0.3.17.tgz#f351893a1daa0812be440d7e92a0b4e07dcd0839"
+graphql-binding-github@0.3.18:
+  version "0.3.18"
+  resolved "https://registry.yarnpkg.com/graphql-binding-github/-/graphql-binding-github-0.3.18.tgz#0ee8f2c972fb4a6b5136edd084ffb6d551e6d20b"
   dependencies:
     apollo-link "1.2.1"
     apollo-link-http "1.3.3"
-    cross-fetch "2.0.0"
+    cross-fetch "2.1.0"
     graphql "0.13.1"
     graphql-binding "1.2.5"
     graphql-tools "2.21.0"
@@ -689,9 +689,9 @@ node-fetch@1.7.3:
     encoding "^0.1.11"
     is-stream "^1.0.1"
 
-node-fetch@2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.0.0.tgz#982bba43ecd4f2922a29cc186a6bbb0bb73fcba6"
+node-fetch@2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.1.1.tgz#369ca70b82f50c86496104a6c776d274f4e4a2d4"
 
 object-assign@^4:
   version "4.1.1"