Add Italia and Straight of Gibraltar maps (#1285)

## Description:

Add Italia and Straight of Gibraltar

Merging this directly into v23 because the map generation logic changed.
Also removed last pixel if odd. The map dimensions must be even.

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

## Please put your Discord username so you can be contacted if a bug or
regression is found:
evan

src/core/configuration/DefaultConfig.ts

@@ -63,6 +63,8 @@ const numPlayersConfig = {
   [GameMapType.World]: [150, 80, 50],
   [GameMapType.WorldMapGiant]: [150, 100, 60],
   [GameMapType.Halkidiki]: [50, 40, 30],
+  [GameMapType.Italia]: [50, 40, 30],
+  [GameMapType.StraitOfGibraltar]: [50, 40, 30],
 } as const satisfies Record<GameMapType, [number, number, number]>;
 
 export abstract class DefaultServerConfig implements ServerConfig {