Update to 1.19.4 (#130)

* Improve data load/save slightly
* Fix longstanding issue with opening players in deleted worlds on Paper

pom.xml

@@ -1,5 +1,5 @@
 <!--
-  ~ Copyright (C) 2011-2022 lishid. All rights reserved.
+  ~ Copyright (C) 2011-2023 lishid. All rights reserved.
   ~
   ~ This program is free software: you can redistribute it and/or modify
   ~ it under the terms of the GNU General Public License as published by
@@ -40,8 +40,8 @@
         <module>api</module>
         <module>plugin</module>
         <module>internal/v1_18_R2</module>
-        <module>internal/v1_19_R1</module>
         <module>internal/v1_19_R2</module>
+        <module>internal/v1_19_R3</module>
         <module>assembly</module>
       </modules>
     </profile>