chore(deps): update external/libzmq digest to 0ed7a08 #43

Job	Run time
lib_android (monero)	25m 59s
lib_android (wownero)	24m 41s
lib_mingw (monero)	3m 32s
lib_mingw (wownero)	3m 21s
lib_darwin (monero)	13m 26s
ios build (monero)	12m 31s
lib_linux (monero)	2m 59s
lib_darwin (wownero)	13m 31s
ios build (wownero)	12m 9s
lib_linux (wownero)	2m 34s
macos build (monero)	3m 38s
macos build (wownero)	2m 59s
lib_sailfishos_aarch64 (monero)	3m 24s
lib_sailfishos_i486 (monero)	2m 32s
lib_sailfishos_aarch64 (wownero)	3m 21s
lib_sailfishos_i486 (wownero)	1m 57s
wallet_cake_android	20m 26s
wallet_xmruw_android (monero)	7m 24s
wallet_xmruw_android (wownero)	7m 20s
comment on pr	5s
	2h 47m 49s

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