ci: restore linux avx2 build #10

Job	Run time
ubuntu-latest-cmake (avx512, -DGGML_NATIVE=OFF -DGGML_AVX512=ON -DGGML_AVX=ON -DGGML_AVX2=ON -DGG...	3m 19s
windows-latest-cmake (vulkan, -DSD_VULKAN=ON -DSD_BUILD_SHARED_LIBS=ON)	6m 46s
ubuntu-latest-cmake (avx2, -DGGML_AVX2=ON -DSD_BUILD_SHARED_LIBS=ON)	3m 4s
macOS-latest-cmake (metal, -DGGML_AVX2=ON -DSD_METAL=ON -DCMAKE_OSX_ARCHITECTURES="arm64;x86_64" ...	3m 33s
release	12s
	16m 54s

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