Fixed GitHub issue close and delete behavior when tasks are deleted in the dashboard's GitHub tracking state module, with test coverage added for both delete and state tracking scenarios.
Fusion-Task-Id: FN-4941
Implements automatic closing of linked GitHub issues when a task is deleted (FN-4253), adding deletion logic to the GitHub tracking state module with corresponding tests for both state management and deletion behavior, plus a patch changeset for the `@runfusion/fusion` CLI.
Fusion-Task-Id: FN-4253