Add Arduino library support for ExecuTorch #1605

Job	Run time
test-webgpu / test-backend-linux (webgpu, operators) / linux-job	47m 13s
test-webgpu / test-backend-linux (webgpu, models) / linux-job	26m 38s
test-webgpu / test-backend-macos	-1s
test-webgpu / package-golden-artifacts	1m 32s
	1h 15m 22s

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