Bump graphql from 16.6.0 to 16.8.1 in /examples/api-routes-apollo-server

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>

examples/api-routes-apollo-server/package.json

@@ -9,7 +9,7 @@
     "@apollo/server": "^4.1.1",
     "@as-integrations/next": "^1.1.0",
     "@graphql-tools/schema": "^9.0.9",
-    "graphql": "16.6.0",
+    "graphql": "16.8.1",
     "graphql-tag": "^2.12.6",
     "next": "latest",
     "react": "^18.2.0",