Update dependency graphql-yoga to v1.15.0

Author: renovate-bot

basic/server/package.json

@@ -6,7 +6,7 @@
   },
   "dependencies": {
     "graphcool-binding": "1.3.5",
-    "graphql-yoga": "1.14.12"
+    "graphql-yoga": "1.15.0"
   },
   "devDependencies": {
     "now": "8.5.4"

basic/server/yarn.lock

@@ -520,9 +520,9 @@ graphql-import@^0.6.0:
   dependencies:
     lodash "^4.17.4"
 
-graphql-middleware@1.3.3:
-  version "1.3.3"
-  resolved "https://registry.yarnpkg.com/graphql-middleware/-/graphql-middleware-1.3.3.tgz#c6898df07c8d58a2f49c6ba3b0a49ec946f3d300"
+graphql-middleware@1.5.0:
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/graphql-middleware/-/graphql-middleware-1.5.0.tgz#b539cbc34df8ea7b077415102e87fd704188d7ec"
   dependencies:
     graphql-tools "^3.0.2"
 
@@ -573,9 +573,9 @@ graphql-tools@2.18.0:
     graphql-subscriptions "^0.5.6"
     uuid "^3.1.0"
 
-graphql-tools@^2.23.1:
-  version "2.23.1"
-  resolved "https://registry.yarnpkg.com/graphql-tools/-/graphql-tools-2.23.1.tgz#23f43000e2b9dc5a89920fe846fc5f71a320efdb"
+graphql-tools@^2.24.0:
+  version "2.24.0"
+  resolved "https://registry.yarnpkg.com/graphql-tools/-/graphql-tools-2.24.0.tgz#bbacaad03924012a0edb8735a5e65df5d5563675"
   dependencies:
     apollo-link "^1.2.1"
     apollo-utilities "^1.0.1"
@@ -593,9 +593,9 @@ graphql-tools@^3.0.2:
     iterall "^1.1.3"
     uuid "^3.1.0"
 
-graphql-yoga@1.14.12:
-  version "1.14.12"
-  resolved "https://registry.yarnpkg.com/graphql-yoga/-/graphql-yoga-1.14.12.tgz#d579bed16c43f2296b53b25f86075976cb714e92"
+graphql-yoga@1.15.0:
+  version "1.15.0"
+  resolved "https://registry.yarnpkg.com/graphql-yoga/-/graphql-yoga-1.15.0.tgz#eb1ed4c96633fb14617412e474343a85a6c294d7"
   dependencies:
     "@types/cors" "^2.8.4"
     "@types/express" "^4.11.1"
@@ -612,11 +612,11 @@ graphql-yoga@1.14.12:
     graphql "^0.11.0 || ^0.12.0 || ^0.13.0"
     graphql-deduplicator "^2.0.1"
     graphql-import "^0.6.0"
-    graphql-middleware "1.3.3"
+    graphql-middleware "1.5.0"
     graphql-playground-middleware-express "1.6.3"
     graphql-playground-middleware-lambda "1.6.1"
     graphql-subscriptions "^0.5.8"
-    graphql-tools "^2.23.1"
+    graphql-tools "^2.24.0"
     subscriptions-transport-ws "^0.9.8"
 
 graphql@0.12.3, graphql@^0.12.3: