Update dependency graphql-yoga to v1.3.1

Author: renovate-bot

basic/server/package.json

@@ -6,7 +6,7 @@
   },
   "dependencies": {
     "graphcool-binding": "1.3.5",
-    "graphql-yoga": "1.2.5"
+    "graphql-yoga": "1.3.1"
   },
   "devDependencies": {
     "now": "8.5.4"

basic/server/yarn.lock

@@ -432,17 +432,17 @@ graphql-playground-html@1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/graphql-playground-html/-/graphql-playground-html-1.5.0.tgz#bfe1a53e8e7df563bdbd20077e0ac6bf9aaf0f64"
 
-graphql-playground-html@1.5.2:
-  version "1.5.2"
-  resolved "https://registry.yarnpkg.com/graphql-playground-html/-/graphql-playground-html-1.5.2.tgz#ccd97ac1960cfb1872b314bafb1957e7a6df7984"
+graphql-playground-html@1.5.4:
+  version "1.5.4"
+  resolved "https://registry.yarnpkg.com/graphql-playground-html/-/graphql-playground-html-1.5.4.tgz#82752ec4ee36c62d64ccebf7d3ca47477c213bb6"
   dependencies:
     graphql-config "1.1.7"
 
-graphql-playground-middleware-express@1.5.3:
-  version "1.5.3"
-  resolved "https://registry.yarnpkg.com/graphql-playground-middleware-express/-/graphql-playground-middleware-express-1.5.3.tgz#5fd5c42d5cba8b24107ececfaf4e6b68690551fe"
+graphql-playground-middleware-express@1.5.6:
+  version "1.5.6"
+  resolved "https://registry.yarnpkg.com/graphql-playground-middleware-express/-/graphql-playground-middleware-express-1.5.6.tgz#db3c4b0ab5fd999cd9ed0ee16460dca321878afd"
   dependencies:
-    graphql-playground-html "1.5.2"
+    graphql-playground-html "1.5.4"
 
 graphql-playground-middleware-lambda@1.4.0:
   version "1.4.0"
@@ -473,9 +473,9 @@ graphql-tools@2.18.0, graphql-tools@^2.18.0:
     graphql-subscriptions "^0.5.6"
     uuid "^3.1.0"
 
-graphql-yoga@1.2.5:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/graphql-yoga/-/graphql-yoga-1.2.5.tgz#142d60af6bc1f1486ebfa34a8dd06395da9297c8"
+graphql-yoga@1.3.1:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/graphql-yoga/-/graphql-yoga-1.3.1.tgz#588b57827f8f72eae1c752f16745044f5ef6a95c"
   dependencies:
     "@types/cors" "^2.8.3"
     "@types/express" "^4.0.39"
@@ -489,7 +489,7 @@ graphql-yoga@1.2.5:
     express "^4.16.2"
     graphql "^0.13.0"
     graphql-import "^0.4.1"
-    graphql-playground-middleware-express "1.5.3"
+    graphql-playground-middleware-express "1.5.6"
     graphql-playground-middleware-lambda "1.4.0"
     graphql-subscriptions "^0.5.6"
     graphql-tools "^2.18.0"