Support multimethod in runner #7230

Job	Run time
test-executorch-metal-build / macos-job	5m 11s
test-metal-backend-modules / macos-job	8m 20s
export-model-metal-artifact (openai, whisper-large-v3-turbo, non-quantized) / macos-job	7m 55s
export-model-metal-artifact (mistralai, Voxtral-Mini-3B-2507, non-quantized) / macos-job	13m 55s
export-model-metal-artifact (openai, whisper-small, non-quantized) / macos-job	7m 19s
export-model-metal-artifact (nvidia, parakeet-tdt, non-quantized) / macos-job	9m 25s
export-model-metal-artifact (nvidia, parakeet-tdt, quantized-int4-metal) / macos-job	9m 35s
test-model-metal-e2e (openai, whisper-small, non-quantized) / macos-job	5m 31s
test-model-metal-e2e (nvidia, parakeet-tdt, non-quantized) / macos-job	4m 54s
test-model-metal-e2e (openai, whisper-large-v3-turbo, non-quantized) / macos-job	6m 38s
test-model-metal-e2e (mistralai, Voxtral-Mini-3B-2507, non-quantized) / macos-job	7m 15s
test-model-metal-e2e (nvidia, parakeet-tdt, quantized-int4-metal) / macos-job	4m 41s
	1h 30m 39s

Provide feedback