Tests

Update Submodule vendor/llama.cpp 27d9ed8..60130d1 #883

Job	Run time
build-and-test (windows-2022, 3.9)	7m 2s
build-and-test (macos-15-intel, 3.9, -DLLAMA_METAL=off -DCMAKE_OSX_DEPLOYMENT_TARGET=13.3, (No Me...	13m 29s
build-and-test (macos-15-intel, 3.14, -DLLAMA_METAL=off -DCMAKE_OSX_DEPLOYMENT_TARGET=13.3, (No M...	5m 52s
build-and-test (ubuntu-latest, 3.9)	3m 35s
build-and-test (windows-2022, 3.14)	8m 48s
build-and-test (macos-26, 3.9, -DLLAMA_METAL=on -DGGML_METAL_USE_BF16=on -DGGML_METAL_EMBED_LIBRA...	4m 10s
build-and-test (macos-26, 3.14, -DLLAMA_METAL=on -DGGML_METAL_USE_BF16=on -DGGML_METAL_EMBED_LIBR...	3m 7s
build-and-test (ubuntu-latest, 3.14)	3m 22s
	49m 25s

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