Update dependency graphql-tools to v9

Author: renovate[bot]

package.json

@@ -65,7 +65,7 @@
     "graphql-import": "1.0.2",
     "graphql-scalars": "1.1.2",
     "graphql-postgres-subscriptions": "1.0.5",
-    "graphql-tools": "5.0.0",
+    "graphql-tools": "9.0.7",
     "jsonwebtoken": "8.5.1",
     "lodash": "4.17.15",
     "pg": "8.2.1",