chore(deps): update external/ios-cmake digest to ad96a37 #38

Job	Run time
lib_android (monero)	31m 37s
lib_mingw (monero)	3m 13s
lib_android (wownero)	24m 47s
lib_mingw (wownero)	3m 14s
lib_sailfishos_aarch64 (monero)	3m 10s
lib_sailfishos_aarch64 (wownero)	3m 31s
lib_darwin (monero)	13m 44s
ios build (monero)	12m 29s
lib_darwin (wownero)	13m 44s
ios build (wownero)	11m 44s
lib_linux (monero)	2m 47s
macos build (monero)	3m 7s
lib_linux (wownero)	2m 57s
macos build (wownero)	3m 4s
lib_sailfishos_i486 (monero)	2m 29s
lib_sailfishos_i486 (wownero)	2m 27s
wallet_cake_android	20m 33s
wallet_xmruw_android (monero)	7m 7s
wallet_xmruw_android (wownero)	6m 35s
comment on pr	3s
	2h 52m 22s

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