Pjrpc

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- openapi 3.x support added.
- batch size validation support added.
- custom http server response status added.
- raise_for_status flag added for http clients.
- python 3.12, 3.13 support added.

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- aio-pika custom response exchange support added.

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- aiohttp client uses request context manager.

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- openapi schema generation bug fixed.

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- client headers passing bug fixed.

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- pydantic 2 support added