fix(deps): update dependency apollo-server-express to v2.6.8

Author: renovate-bot

integration/graphql/package-lock.json

@@ -12,7 +12,7 @@
     "@nestjs/common": "6.4.1",
     "@nestjs/core": "6.4.1",
     "@nestjs/graphql": "6.2.4",
-    "apollo-server-express": "2.6.7",
+    "apollo-server-express": "2.6.8",
     "graphql": "14.4.2",
     "graphql-tools": "4.0.5",
     "reflect-metadata": "0.1.13",

integration/graphql/package.json

@@ -12,7 +12,7 @@
     "@nestjs/common": "6.4.1",
     "@nestjs/core": "6.4.1",
     "@nestjs/graphql": "6.2.4",
-    "apollo-server-express": "2.6.7",
+    "apollo-server-express": "2.6.8",
     "class-transformer": "0.2.3",
     "class-validator": "0.9.1",
     "graphql": "14.4.2",

integration/typegraphql/package-lock.json

@@ -39,7 +39,7 @@
     "@nuxtjs/opencollective": "0.2.2",
     "amqp-connection-manager": "3.0.0",
     "amqplib": "0.5.3",
-    "apollo-server-express": "2.6.7",
+    "apollo-server-express": "2.6.8",
     "axios": "0.19.0",
     "cache-manager": "2.9.1",
     "class-transformer": "0.2.3",