chore(deps): update dependency graphql-yoga to v1.13.0

Author: renovate-bot

example/package.json

@@ -5,7 +5,7 @@
   },
   "dependencies": {
     "graphql-binding-github": "0.3.22",
-    "graphql-yoga": "1.12.1"
+    "graphql-yoga": "1.13.0"
   },
   "now": {
     "alias": "graphql-binding-github"

example/yarn.lock

@@ -48,6 +48,10 @@
     "@types/express-serve-static-core" "*"
     "@types/serve-static" "*"
 
+"@types/graphql-deduplicator@^2.0.0":
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/@types/graphql-deduplicator/-/graphql-deduplicator-2.0.0.tgz#9e577b8f3feb3d067b0ca756f4a1fb356d533922"
+
 "@types/graphql@0.12.6":
   version "0.12.6"
   resolved "https://registry.yarnpkg.com/@types/graphql/-/graphql-0.12.6.tgz#3d619198585fcabe5f4e1adfb5cf5f3388c66c13"
@@ -471,6 +475,10 @@ graphql-config@2.0.0:
     lodash "^4.17.4"
     minimatch "^3.0.4"
 
+graphql-deduplicator@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/graphql-deduplicator/-/graphql-deduplicator-2.0.1.tgz#20c6b39e3a6f096b46dfc8491432818739c0ee37"
+
 graphql-extensions@^0.0.x:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/graphql-extensions/-/graphql-extensions-0.0.5.tgz#63bc4a3fd31aab12bfadf783cbc038a9a6937cf0"
@@ -547,13 +555,14 @@ graphql-tools@^2.23.1:
     iterall "^1.1.3"
     uuid "^3.1.0"
 
-graphql-yoga@1.12.1:
-  version "1.12.1"
-  resolved "https://registry.yarnpkg.com/graphql-yoga/-/graphql-yoga-1.12.1.tgz#75959677f7fa9b391eb878fef64306ff346d0a7a"
+graphql-yoga@1.13.0:
+  version "1.13.0"
+  resolved "https://registry.yarnpkg.com/graphql-yoga/-/graphql-yoga-1.13.0.tgz#b89061a5e1c147de290b1ada480b5276e5db880e"
   dependencies:
     "@types/cors" "^2.8.4"
     "@types/express" "^4.11.1"
     "@types/graphql" "^0.13.0"
+    "@types/graphql-deduplicator" "^2.0.0"
     "@types/zen-observable" "^0.5.3"
     apollo-server-express "^1.3.6"
     apollo-server-lambda "1.3.6"
@@ -563,6 +572,7 @@ graphql-yoga@1.12.1:
     cors "^2.8.4"
     express "^4.16.3"
     graphql "^0.11.0 || ^0.12.0 || ^0.13.0"
+    graphql-deduplicator "^2.0.1"
     graphql-import "^0.5.0"
     graphql-middleware "^1.1.0"
     graphql-playground-middleware-express "1.6.1"