fix type conversion in axon preprocess

[Windfarer]

Bug

There's a warning here when the axon get a request.

/home/ubuntu/github/mysubnet/venv/lib/python3.12/site-packages/pydantic/main.py:463: UserWarning: Pydantic serializer warnings:
  PydanticSerializationUnexpectedValue(Expected `int` - serialized value may not be as expected [input_value='9006001', input_type=str])
  return self.__pydantic_serializer__.to_python(
/home/ubuntu/github/mysubnet/venv/lib/python3.12/site-packages/pydantic/main.py:463: UserWarning: Pydantic serializer warnings:
  PydanticSerializationUnexpectedValue(Expected `int` - serialized value may not be as expected [input_value='42476', input_type=str])
  return self.__pydantic_serializer__.to_python(
/home/ubuntu/github/mysubnet/venv/lib/python3.12/site-packages/pydantic/main.py:463: UserWarning: Pydantic serializer warnings:
  PydanticSerializationUnexpectedValue(Expected `int` - serialized value may not be as expected [input_value='42476', input_type=str])
  PydanticSerializationUnexpectedValue(Expected `int` - serialized value may not be as expected [input_value='9006001', input_type=str])
  return self.__pydantic_serializer__.to_python(

9006001 is the version
42476 is the port
these fields are all defined in pydantic as int, but in current code, it has been convert to string.

Description of the Change

convert them to the correct type int

Alternate Designs

Possible Drawbacks

Verification Process

Release Notes

Branch Acknowledgement

[x] I am acknowledging that I am opening this branch against staging