ams: add enum recognition for 23.5.0

libraries/libexosphere/include/exosphere/pkg2.hpp

@@ -24,7 +24,7 @@ namespace ams::pkg2 {
     constexpr inline int PayloadCount = 3;
 
     constexpr inline int MinimumValidDataVersion  = 0;   /* We allow older package2 to load; this value is currently 0x18 in Nintendo's code. */
-    constexpr inline int CurrentBootloaderVersion = 0x18;
+    constexpr inline int CurrentBootloaderVersion = 0x19;
 
     struct Package2Meta {
         using Magic = util::FourCC<'P','K','2','1'>;