chore(deps): update dependency graphql-middleware to v1.6.4

Author: renovate-bot

package.json

@@ -26,7 +26,7 @@
     "@types/node": "10.1.4",
     "ava": "0.25.0",
     "graphql": "0.13.2",
-    "graphql-middleware": "1.3.3",
+    "graphql-middleware": "1.6.4",
     "prettier": "1.12.1",
     "prettier-check": "2.0.0",
     "semantic-release": "15.5.5",

yarn.lock

@@ -145,6 +145,10 @@
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/@types/dot-prop/-/dot-prop-4.2.0.tgz#4a42caebd27e9ee353e053a702bdf9e4d5153ae2"
 
+"@types/[email protected]":
+  version "0.12.6"
+  resolved "https://registry.yarnpkg.com/@types/graphql/-/graphql-0.12.6.tgz#3d619198585fcabe5f4e1adfb5cf5f3388c66c13"
+
 "@types/[email protected]":
   version "10.1.4"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.1.4.tgz#606651d3f8a8bec08b8cb262161aab9209f4a29d"
@@ -240,6 +244,14 @@ [email protected]:
     apollo-utilities "^1.0.0"
     zen-observable-ts "^0.8.6"
 
+apollo-link@^1.2.2:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/apollo-link/-/apollo-link-1.2.2.tgz#54c84199b18ac1af8d63553a68ca389c05217a03"
+  dependencies:
+    "@types/graphql" "0.12.6"
+    apollo-utilities "^1.0.0"
+    zen-observable-ts "^0.8.9"
+
 apollo-utilities@^1.0.0, apollo-utilities@^1.0.1:
   version "1.0.12"
   resolved "https://registry.yarnpkg.com/apollo-utilities/-/apollo-utilities-1.0.12.tgz#9e2b2a34cf89f3bf0d73a664effd8c1bb5d1b7f7"
@@ -1825,11 +1837,11 @@ graphql-import@^0.5.2:
   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@1.6.4:
+  version "1.6.4"
+  resolved "https://registry.yarnpkg.com/graphql-middleware/-/graphql-middleware-1.6.4.tgz#9f70338badc362a4a5467e38ce9481d2145f2aaf"
   dependencies:
-    graphql-tools "^3.0.2"
+    graphql-tools "^3.0.5"
 
 [email protected]:
   version "3.0.1"
@@ -1841,11 +1853,11 @@ [email protected]:
     iterall "^1.1.3"
     uuid "^3.1.0"
 
-graphql-tools@^3.0.2:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/graphql-tools/-/graphql-tools-3.0.4.tgz#d08aa75db111d704cba05d92afd67ec5d1dc6b24"
+graphql-tools@^3.0.5:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/graphql-tools/-/graphql-tools-3.1.1.tgz#d593358f01e7c8b1671a17b70ddb034dea9dbc50"
   dependencies:
-    apollo-link "1.2.1"
+    apollo-link "^1.2.2"
     apollo-utilities "^1.0.1"
     deprecated-decorator "^0.1.6"
     iterall "^1.1.3"
@@ -4322,7 +4334,7 @@ yn@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/yn/-/yn-2.0.0.tgz#e5adabc8acf408f6385fc76495684c88e6af689a"
 
-zen-observable-ts@^0.8.6:
+zen-observable-ts@^0.8.6, zen-observable-ts@^0.8.9:
   version "0.8.9"
   resolved "https://registry.yarnpkg.com/zen-observable-ts/-/zen-observable-ts-0.8.9.tgz#d3c97af08c0afdca37ebcadf7cc3ee96bda9bab1"
   dependencies: