Enable README.md testing #2657

Job	Run time
test-quantization-cpu / linux-job	4m 23s
test-quantization-any / linux-job	4m 22s
test-readme-any / linux-job	17m 28s
test-advanced-any / linux-job	4m 23s
test-advanced-cpu / linux-job	4m 22s
test-evaluation-any / linux-job	4m 27s
test-gguf-any / linux-job	4m 23s
test-readme-cpu / linux-job	17m 17s
test-distributed-cuda / linux-job	4m 21s
test-evaluation-cpu / linux-job	4m 23s
test-gguf-cpu / linux-job	4m 24s
test-multimodal-any / linux-job	4m 21s
test-multimodal-cpu / linux-job	4m 21s
test-native-any / linux-job	4m 23s
test-native-cpu / linux-job	4m 23s
	1h 31m 41s

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