CAS service error : Error : single flight error: Real call failed ReqwestMiddlewareError

```
FAILED tests/models/test_modeling_granite.py::ExecuTorchModelIntegrationTest::test_granite_text_generation_with_custom_sdpa_and_kv_cache_8da4w_8we - RuntimeError: Data processing error: CAS service error : Error : single flight error: Real call failed: ReqwestMiddlewareError(Middleware(error sending request

Caused by:
0: client error (SendRequest)
1: error writing a body to connection
2: No buffer space available (os error 55)))
```
We start seeing this error on different models:
- https://github.com/huggingface/optimum-executorch/actions/runs/16484222548/job/46695965163?pr=108#step:5:254
- https://github.com/huggingface/optimum-executorch/actions/runs/16484222548/job/46695965292?pr=108#step:5:287
- https://github.com/huggingface/optimum-executorch/actions/runs/16484222548/job/46695965277?pr=108#step:5:251