Update JUnit from 5.2.0-M1 -> 5.2.0-RC1
Update JUnit from 5.2.0-M1 -> 5.2.0-RC1

Siedlerchr/jabref,zellerdev/jabref,Siedlerchr/jabref,sauliusg/jabref,tobiasdiez/jabref,sauliusg/jabref,JabRef/jabref,tobiasdiez/jabref,Siedlerchr/jabref,sauliusg/jabref,zellerdev/jabref,JabRef/jabref,zellerdev/jabref,Siedlerchr/jabref,tobiasdiez/jabref,tobiasdiez/jabref,sauliusg/jabref,zellerdev/jabref,JabRef/jabref,zellerdev/jabref,JabRef/jabref