Add Arduino library support for ExecuTorch #1299

Job	Run time
test-webgpu / test-backend-linux (webgpu, models) / linux-job	31m 23s
test-webgpu / test-backend-linux (webgpu, operators) / linux-job	52m 5s
test-webgpu / test-backend-macos	-9s
test-webgpu / package-golden-artifacts	1m 32s
	1h 24m 51s

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