Update the equivalent of the enum diplomat_actions so it matches Freeciv.
Update the equivalent of the enum diplomat_actions so it matches Freeciv.

andreasrosdal/freeciv-web,tltneon/freeciv-web,andreasrosdal/freeciv-web,tltneon/freeciv-web,andreasrosdal/freeciv-web,tltneon/freeciv-web,andreasrosdal/freeciv-web,adaxi/freeciv-web,adaxi/freeciv-web,tltneon/freeciv-web,andreasrosdal/freeciv-web,adaxi/freeciv-web,adaxi/freeciv-web,adaxi/freeciv-web,tltneon/freeciv-web,tltneon/freeciv-web