fix(deps): update dependency merge-graphql-schemas to v1.7.4

Author: renovate-bot

package-lock.json

@@ -67,7 +67,7 @@
     "http2": "3.3.7",
     "iterare": "1.2.0",
     "kafkajs": "1.11.0",
-    "merge-graphql-schemas": "1.7.3",
+    "merge-graphql-schemas": "1.7.4",
     "mqtt": "3.0.0",
     "multer": "1.4.2",
     "nats": "1.3.2",