Add CHANGELOG entries from https://github.com/JabRef/jabref/pull/3621
Add CHANGELOG entries from https://github.com/JabRef/jabref/pull/3621

Co-authored-by: Tobias Diez <abc695b699837c0bcd8f0af8d24601e3177fee09@gmx.de>

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