Update dependency graphql-yoga to v1.4.3

basic/server/package.json

@@ -6,7 +6,7 @@
   },
   "dependencies": {
     "graphcool-binding": "1.3.5",
-    "graphql-yoga": "1.4.2"
+    "graphql-yoga": "1.4.3"
   },
   "devDependencies": {
     "now": "8.5.4"

basic/server/yarn.lock

@@ -527,9 +527,9 @@ [email protected], graphql-tools@^2.18.0:
     graphql-subscriptions "^0.5.6"
     uuid "^3.1.0"
 
-[email protected].2:
-  version "1.4.2"
-  resolved "https://registry.yarnpkg.com/graphql-yoga/-/graphql-yoga-1.4.2.tgz#69c9e9eed5245c45af4462f17db72772757e27c0"
+[email protected].3:
+  version "1.4.3"
+  resolved "https://registry.yarnpkg.com/graphql-yoga/-/graphql-yoga-1.4.3.tgz#a5e17c131454a4c244f1df65eeddf5afb7ab3f26"
   dependencies:
     "@types/cors" "^2.8.3"
     "@types/express" "^4.0.39"
@@ -542,7 +542,7 @@ [email protected]:
     body-parser-graphql "1.0.0"
     cors "^2.8.4"
     express "^4.16.2"
-    graphql "^0.13.1"
+    graphql "^0.11.0 || ^0.12.0 || ^0.13.0"
     graphql-import "^0.4.4"
     graphql-playground-middleware-express "1.5.7"
     graphql-playground-middleware-lambda "1.4.3"
@@ -556,7 +556,7 @@ [email protected], graphql@^0.12.3:
   dependencies:
     iterall "1.1.3"
 
-graphql@^0.13.1:
+"graphql@^0.11.0 || ^0.12.0 || ^0.13.0":
   version "0.13.1"
   resolved "https://registry.yarnpkg.com/graphql/-/graphql-0.13.1.tgz#9b3db3d8e40d1827e4172404bfdd2e4e17a58b55"
   dependencies: