ICU-22595 GitHub release file generation script to include javadoc fo… #1286

Job	Run time
clang-valgrind-test	10m 13s
clang-valgrind-intltest (utility)	6m 26s
clang-valgrind-intltest (normalize)	6m 8s
clang-valgrind-intltest (collator)	5m 59s
clang-valgrind-intltest (regex)	5m 20s
clang-valgrind-intltest (format)	17m 20s
clang-valgrind-intltest (translit)	6m 1s
clang-valgrind-intltest (rbbi)	7m 16s
clang-valgrind-intltest (rbnf)	6m 11s
clang-valgrind-intltest (rbnfrt)	6m 16s
clang-valgrind-intltest (icuserv)	5m 1s
clang-valgrind-intltest (idna)	5m 20s
clang-valgrind-intltest (convert)	6m 44s
clang-valgrind-intltest (rbnfp)	5m 7s
clang-valgrind-intltest (csdet)	5m 4s
clang-valgrind-intltest (spoof)	5m 41s
clang-valgrind-intltest (bidi)	5m 30s
	1h 55m 37s

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