fix: free strings after being read to prevent potential memory leaks #97

Job	Run time
ios build (monero)	11m 5s
lib_darwin (monero)	14m 11s
ios build (wownero)	10m 50s
lib_android (monero)	25m 30s
lib_darwin (wownero)	13m 35s
lib_android (wownero)	24m 42s
lib_linux (monero)	30m 52s
macos build (monero)	3m 11s
lib_mingw (monero)	3m 38s
lib_linux (wownero)	30m 2s
macos build (wownero)	3m 26s
lib_mingw (wownero)	3m 12s
lib_sailfishos_aarch64 (monero)	3m 21s
lib_sailfishos_aarch64 (wownero)	3m 2s
lib_sailfishos_i486 (monero)	2m 8s
lib_sailfishos_i486 (wownero)	2m 0s
wallet_cake_android	19m 54s
wallet_xmruw_android (monero)	7m 1s
wallet_xmruw_android (wownero)	6m 57s
test ts library	47s
create single release file	22s
comment on pr	5s
	3h 39m 51s

Provide feedback