feat: upgrade @graphql-tools/merge from 8.4.1 to 9.0.8

Snyk has created this PR to upgrade @graphql-tools/merge from 8.4.1 to 9.0.8.

See this package in npm:
@graphql-tools/merge

See this project in Snyk:
https://app.snyk.io/org/acinader/project/c354db4d-ec51-46b5-8574-3238dc19f365?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -20,7 +20,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/eslint-parser": "7.24.1",
-    "@graphql-tools/merge": "8.4.1",
+    "@graphql-tools/merge": "9.0.8",
     "@graphql-tools/schema": "9.0.4",
     "@graphql-tools/utils": "8.12.0",
     "@graphql-yoga/node": "2.6.0",