Top10 expensive fields in GraphQL dashboard
Description
We want to build a separate GraphQL Grafana dashboard, see gitlab-com/gl-infra/scalability#583 (moved).
See GraphQL API Observability architectural blueprint https://docs.gitlab.com/ee/architecture/blueprints/graphql_api/.
Proposal
Add a panel with top 10 most expensive GraphQL fields, similarly to top PostgreSQL queries dashboard: