Tests

refactor(mtmd): cache Generic MTMD chat template resolution #84

Job	Run time
build-and-test (macos-15-intel, 3.9, -DLLAMA_METAL=off -DCMAKE_OSX_DEPLOYMENT_TARGET=13.3, (No Me...	7m 6s
build-and-test (ubuntu-latest, 3.14)	3m 32s
build-and-test (windows-2022, 3.9)	8m 38s
build-and-test (macos-26, 3.14, -DGGML_METAL_EMBED_LIBRARY=off -DGGML_RPC=on, (Metal))	3m 14s
build-and-test (ubuntu-latest, 3.9)	3m 35s
build-and-test (macos-15-intel, 3.14, -DLLAMA_METAL=off -DCMAKE_OSX_DEPLOYMENT_TARGET=13.3, (No M...	6m 57s
build-and-test (windows-2022, 3.14)	8m 12s
build-and-test (macos-26, 3.9, -DGGML_METAL_EMBED_LIBRARY=off -DGGML_RPC=on, (Metal))	4m 42s
	45m 56s

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