Use this tool to update a task in the task list. You can update any combination of: - subject: Change the task title - description: Change the task description - status: Change to 'open' or 'resolved' - owner: Assign or change the task owner - addComment: Add a comment with author and content - addReferences: Link to other tasks (bidirectional) - addBlocks: Mark that this task blocks other tasks - addBlockedBy: Mark that this task is blocked by other tasks All fields are optional - only provide the fields you want to update.