Build(deps-dev): Bump @graphql-tools/merge from 8.4.2 to 9.0.0 (#23)

Bumps [@graphql-tools/merge](https://github.com/ardatan/graphql-tools/tree/HEAD/packages/merge) from 8.4.2 to 9.0.0.
- [Release notes](https://github.com/ardatan/graphql-tools/releases)
- [Changelog](https://github.com/ardatan/graphql-tools/blob/master/packages/merge/CHANGELOG.md)
- [Commits](https://github.com/ardatan/graphql-tools/commits/@graphql-tools/merge@9.0.0/packages/merge)

---
updated-dependencies:
- dependency-name: "@graphql-tools/merge"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -37,7 +37,7 @@
   "devDependencies": {
     "@commitlint/cli": "^17.2.0",
     "@commitlint/config-conventional": "^17.2.0",
-    "@graphql-tools/merge": "^8.3.12",
+    "@graphql-tools/merge": "^9.0.0",
     "@graphql-tools/schema": "^9.0.10",
     "@graphql-tools/utils": "^9.1.1",
     "@typescript-eslint/eslint-plugin": "^5.43.0",