chore(deps): update dependency @types/node to v8.5.7

Author: renovate-bot

package.json

@@ -48,7 +48,7 @@
   "homepage": "https://github.com/graphcool/graphql-config#readme",
   "devDependencies": {
     "@types/graphql": "0.11.7",
-    "@types/node": "8.5.5",
+    "@types/node": "8.5.7",
     "@types/node-fetch": "1.6.7",
     "ava": "0.24.0",
     "babel-polyfill": "6.26.0",

yarn.lock

@@ -62,9 +62,9 @@
   version "8.0.31"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-8.0.31.tgz#d9af61093cf4bfc9f066ca34de0175012cfb0ce9"
 
-"@types/[email protected].5":
-  version "8.5.5"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.5.5.tgz#6f9e8164ae1a55a9beb1d2571cfb7acf9d720c61"
+"@types/[email protected].7":
+  version "8.5.7"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.5.7.tgz#9c498c35af354dcfbca3790fb2e81129e93cf0e2"
 
 abbrev@1:
   version "1.1.0"