Add ROCm6.2, add CUDA12.8 Blackwell support #40

Job	Run time
windows-latest-cmake-rocm61 (rocm61, -G Ninja -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang...	50m 22s
windows-latest-cmake (noavx, -DGGML_NATIVE=OFF -DGGML_AVX=OFF -DGGML_AVX2=OFF -DGGML_FMA=OFF -DSD...	2m 7s
macOS-latest-cmake	1m 29s
windows-latest-cmake (avx2, -DGGML_NATIVE=OFF -DGGML_AVX2=ON -DSD_BUILD_SHARED_LIBS=ON)	2m 6s
windows-latest-cmake-rocm61 (rocm61SD_FAST_SOFTMAX, -G Ninja -DCMAKE_C_COMPILER=clang -DCMAKE_CXX...	51m 30s
ubuntu-latest-cmake	1m 30s
windows-latest-cmake (avx, -DGGML_NATIVE=OFF -DGGML_AVX=ON -DGGML_AVX2=OFF -DSD_BUILD_SHARED_LIBS...	1m 43s
windows-latest-cmake (avx512, -DGGML_NATIVE=OFF -DGGML_AVX512=ON -DGGML_AVX=ON -DGGML_AVX2=ON -DS...	2m 8s
windows-latest-cmake-rocm62 (rocm62, -G Ninja -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang...	55m 22s
windows-latest-cmake (cuda12, -DSD_CUDA=ON -DSD_BUILD_SHARED_LIBS=ON -DCMAKE_CUDA_ARCHITECTURES=all)	5h 53m 20s
windows-latest-cmake-rocm62 (rocm62SD_FAST_SOFTMAX, -G Ninja -DCMAKE_C_COMPILER=clang -DCMAKE_CXX...	57m 19s
windows-latest-cmake (vulkan, -DSD_VULKAN=ON -DSD_BUILD_SHARED_LIBS=ON)	2m 7s
release	1m 7s
	9h 42m 10s

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