chore: Cancel userOps after 1 hour

[arcoraven]

PR-Codex overview

The focus of this PR is to update functions related to SDK migration and improve transaction handling in worker tasks.

Detailed summary

• Updated msSince function in date.ts
• Added helper functions for SDK migration in sdk.ts
• Updated transaction handling in worker tasks
• Improved error handling and logging in worker tasks

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[farhanW3]

lgtm