Use `asyncio.to_thread` to avoid `DeadlockError` while sending exception to Sentry

[Natim]

What was changed

Make the capture_exception call async in Sentry intercepor

Why?

Use asyncio.to_thread to avoid DeadlockError while sending exception to Sentry

Checklist

1. Refs #140

2. How was this tested: In production _DeadlockError was raised

3. Any docs updates needed? No

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[Natim]

Well, well

  File "/app/project/temporal/interceptor.py", line 129, in execute_workflow
    await asyncio.to_thread(scope.capture_exception, e)

  File "/usr/local/lib/python3.14/asyncio/threads.py", line 25, in to_thread
    return await loop.run_in_executor(None, func_call)
                 ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^

  File "/usr/local/lib/python3.14/asyncio/events.py", line 337, in run_in_executor
    raise NotImplementedError