Task cancelling frontend

[ykeremy]

Add task cancelling to task page

Add status cancelled to task

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:rocket:	This description was created by Ellipsis for commit 4a00c97fce24312a19e2c1528c2c11f5960b8ce2

Summary:

Added task cancellation functionality to the task page, including a new 'canceled' status, a confirmation dialog, and updates to task history.

Key points:

• Added Canceled status to Status in skyvern-frontend/src/api/types.ts.
• Updated StatusBadge component in skyvern-frontend/src/components/StatusBadge.tsx to handle canceled status.
• Implemented task cancellation functionality in TaskDetails component in skyvern-frontend/src/routes/tasks/detail/TaskDetails.tsx.
• Added a Button to trigger task cancellation.
• Added a Dialog for cancellation confirmation.
• Used useMutation from react-query to handle the cancellation API call.
• Invalidated task query on successful cancellation.
• Updated TaskHistory component in skyvern-frontend/src/routes/tasks/list/TaskHistory.tsx to include canceled status in task history.

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