build: Build sources and docs jar for jazzer-api and jazzer-junit #25

Job	Run time
build_release (ubuntu-22.04, linux)	2m 53s
build_release (macos-14, macos)	2m 20s
build_release (windows-2019, windows)	3m 2s
merge_jars	2m 4s
create_release	5s
maven_predeploy	3m 47s
	14m 11s

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