Add GraphQL::Execution::Batching as a new batch-first execution engine

Add GraphQL::Execution::Batching as a new batch-first execution engine: a task in bird-critic-1.5-full-300 (Harbor dataset). graphql-ruby is a pure Ruby gem providing GraphQL execution. This task introduces GraphQL::Execution::Batching , a new execution engine that executes all fields at a given…

The task

graphql-ruby is a pure Ruby gem providing GraphQL execution. This task introduces `GraphQL::Execution::Batching`, a new execution engine that executes all fields at a given level before moving deeper, enabling true batching of field resolution without needing `GraphQL::Dataloader`. A new `execute_batching` method is…

Part of kochsnow/bird-critic-1.5-full-300.