Release v21.5.4

21.5.4

• there now is a new cli parameter --action <name> that triggers a menu action after
  the application was started (for #2143)
  • for example QOwnNotes --action actionShow_Todo_List will open the todo
    list dialog after startup
  • this parameter also works with scripted custom actions
  • for more information please take a look at
    Trigger menu actions after startup
• added more translation (thank you yanjun_sun, amirkbrpr, rawfreeamy, whenwesober,
  mguerra, rogepix, seanos, gbabin)