Bump shell-quote from 1.8.2 to 1.8.4 in /examples/demo-apps/react-native/rnllama #38642

Job	Run time
gather-models	9s
test-models-linux (cmake, mv3, xnnpack-quantization-delegation, linux.2xlarge, 90) / linux-job	10m 12s
test-models-linux (buck2, mv3, xnnpack-quantization-delegation, linux.2xlarge, 90) / linux-job	10m 41s
test-models-linux (cmake, vit, xnnpack-quantization-delegation, linux.2xlarge, 90) / linux-job	10m 3s
test-models-linux (cmake, mv3, portable, linux.2xlarge, 90) / linux-job	9m 18s
test-models-linux (cmake, vit, portable, linux.2xlarge, 90) / linux-job	16m 42s
test-models-linux (buck2, mv3, portable, linux.2xlarge, 90) / linux-job	9m 57s
	1h 7m 2s

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