chore(deps): Bump graphql in /packages/openneuro-indexer

Bumps [graphql](https://github.com/graphql/graphql-js) from 16.6.0 to 16.8.1.
- [Release notes](https://github.com/graphql/graphql-js/releases)
- [Commits](graphql/graphql-js@v16.6.0...v16.8.1)

---
updated-dependencies:
- dependency-name: graphql
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

packages/openneuro-indexer/package.json

@@ -13,7 +13,7 @@
     "@elastic/elasticsearch": "7.15.0",
     "@openneuro/client": "^4.20.0",
     "@openneuro/search": "^4.20.0",
-    "graphql": "16.6.0",
+    "graphql": "16.8.1",
     "ts-node": "^9.1.1",
     "typescript": "5.1.6"
   },