executorch/{kernel,examples}: fix llvm-17-exposed format mismatches (… #4640

Job	Run time
build-benchmark-app / macos-job	23m 15s
build-demo-ios / macos-job	12m 40s
build-frameworks-ios / macos-job	28m 36s
upload-demo-ios	18s
test-demo-ios / mobile-job (ios)	16m 2s
upload-frameworks-ios	25s
	1h 21m 16s

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