Add Arduino library support for ExecuTorch #1550

Job	Run time
test-webgpu / test-backend-linux (webgpu, models) / linux-job	26m 34s
test-webgpu / test-backend-linux (webgpu, operators) / linux-job	46m 20s
test-webgpu / test-backend-macos	-7s
test-webgpu / package-golden-artifacts	1m 30s
	1h 14m 17s

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