apply release plugin to subprojects
apply release plugin to subprojects


Former-commit-id: e9f41a79659fc9161d2281abfbb56c9bbd9a8ee4
kermitt2/grobid,kermitt2/grobid,kermitt2/grobid,kermitt2/grobid,kermitt2/grobid,kermitt2/grobid