SYCL :: Adapters/retain_events.cpp flaky timeout on AMD CI

### Describe the bug

```
TIMEOUT: SYCL :: Adapters/retain_events.cpp (2269 of 2269)
******************** TEST 'SYCL :: Adapters/retain_events.cpp' FAILED ********************
Exit Code: -9
Timeout: Reached timeout of 600 seconds

Command Output (stderr):
--
RUN: at line 3: env UR_HIP_ENABLE_IMAGE_SUPPORT=1 ONEAPI_DEVICE_SELECTOR=hip:gpu /__w/llvm/llvm/build-e2e/Adapters/Output/retain_events.cpp.tmp.out
+ env UR_HIP_ENABLE_IMAGE_SUPPORT=1 ONEAPI_DEVICE_SELECTOR=hip:gpu /__w/llvm/llvm/build-e2e/Adapters/Output/retain_events.cpp.tmp.out

--

********************
```

See: https://github.com/intel/llvm/actions/runs/13565209790/job/37917941463?pr=17143

### To reproduce

_No response_

### Environment

- OS: Linux
- Target device and vendor: AMD GPU
- DPC++ version: pre-commit CI

### Additional context

_No response_