fix(deps): update dependency graphql-tools to v7

Author: renovate-bot

packages/voyager-server/package.json

@@ -26,7 +26,7 @@
     "@aerogear/voyager-tools": "0.9.0",
     "apollo-server": "2.19.1",
     "apollo-server-express": "2.19.1",
-    "graphql-tools": "4.0.6"
+    "graphql-tools": "7.0.3"
   },
   "devDependencies": {
     "@types/node-fetch": "2.5.7",

packages/voyager-tools/package.json

@@ -18,7 +18,7 @@
     "compile:clean": "tsc --build tsconfig.json --clean"
   },
   "dependencies": {
-    "graphql-tools": "4.0.6"
+    "graphql-tools": "7.0.3"
   },
   "devDependencies": {
     "ava": "3.8.2",