Add SDXL regression test on mi308 #17022

Job	Run time
setup / setup	5s
Build Packages / Linux Release (x86_64)	12m 31s
Regression Test / test_regression_suite :: cpu_llvm_task	11m 43s
Regression Test / test_regression_suite :: amdgpu_rocm_mi250_gfx90a	27m 37s
Regression Test / test_regression_suite :: amdgpu_rocm_mi300_gfx942	11m 22s
Regression Test / test_regression_suite :: amdgpu_rocm_mi308_gfx942	15m 50s
Test AMD MI300 / test_mi300	5m 38s
Test AMD MI250 / test_mi250	12m 4s
Test AMD W7900 / test_w7900	2m 1s
Test Android / android_arm64	6m 52s
Test ONNX / test_onnx_ops :: cpu_llvm_sync	4m 16s
Unit Test / Linux (x86_64)	2m 28s
Test ONNX / test_onnx_ops :: amdgpu_rocm_rdna3	9m 4s
Test ONNX / test_onnx_ops :: amdgpu_vulkan	1m 48s
Test ONNX / test_onnx_models :: cpu_llvm_task	3m 0s
Test PJRT plugin / Build and test (ubuntu-24.04, cpu)	9m 7s
Test RISC-V 64 / riscv64	9m 13s
Test Sharktank / test_sharktank_models :: cpu_task	36s
Test TensorFlow / Linux (x86_64)	1m 1s
Test Sharktank / test_sharktank_models :: hip_task	38s
pkgci_summary / summary	1s
	2h 26m 55s

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