ICU-22326 ICU 74 release not candidate #1151

Job	Run time
clang-valgrind-test	13m 38s
clang-valgrind-intltest (utility)	12m 6s
clang-valgrind-intltest (normalize)	8m 17s
clang-valgrind-intltest (collator)	7m 31s
clang-valgrind-intltest (regex)	7m 26s
clang-valgrind-intltest (format)	23m 50s
clang-valgrind-intltest (translit)	8m 47s
clang-valgrind-intltest (rbbi)	9m 22s
clang-valgrind-intltest (rbnf)	7m 56s
clang-valgrind-intltest (rbnfrt)	9m 2s
clang-valgrind-intltest (icuserv)	6m 6s
clang-valgrind-intltest (idna)	6m 47s
clang-valgrind-intltest (convert)	9m 55s
clang-valgrind-intltest (rbnfp)	7m 56s
clang-valgrind-intltest (csdet)	8m 39s
clang-valgrind-intltest (spoof)	6m 14s
clang-valgrind-intltest (bidi)	7m 41s
	2h 41m 13s

Provide feedback