fix(yarn): Security update for explorer JS packages (#855)

Author: klausi

assets/explorer/dist/bundle.min.js

@@ -1,4 +1,4 @@
 #graphql-explorer {
   position: relative;
   height: 650px;
-}
+}

assets/explorer/dist/container.css

@@ -103,6 +103,7 @@
 .graphiql-container .historyShow {
   background: -webkit-gradient(linear, left top, left bottom, from(#f7f7f7), to(#e2e2e2));
   background: linear-gradient(#f7f7f7, #e2e2e2);
+  border-radius: 0;
   border-bottom: 1px solid #d0d0d0;
   border-right: none;
   border-top: none;

assets/explorer/dist/graphiql.css

@@ -7,7 +7,7 @@
   },
   "dependencies": {
     "graphiql": "^0.11.10",
-    "graphql": "^0.11.7",
+    "graphql": "^0.13.2",
     "react": "^16.0.0",
     "react-dom": "^16.0.0"
   },

assets/explorer/package.json

@@ -1,4 +1,4 @@
 #graphql-voyager {
   position: relative;
   height: 650px;
-}
+}