net/remmina: update to 1.4.39

ChangeLog: https://gitlab.com/Remmina/Remmina/-/releases

• [REM-3257] Add option to automatically copy ssh text when selected
• [REM-2604] Allow -c to work with www plugin
• [REM-3256] Don't prompt about closing connections with no connections
• Mainly fixing memory leaks and some small bugs