Update foundry-vtt-types to remove some type workarounds

src/module/macros/item-macro.ts

@@ -23,7 +23,7 @@ export async function createItemMacro(itemData: DS4ItemData, slot: string): Prom
             },
             { displaySheet: false },
         ));
-    game.user?.assignHotbarMacro(macro, (slot as unknown) as number); // TODO(types): adjust so that cast is not needed, slot should be an optional string
+    game.user?.assignHotbarMacro(macro, slot);
 }
 
 /**