BUILDTOOLS-251: Make much of Bukkit locale independent

By: md_5 <git@md-5.net>

paper-api/src/main/java/org/bukkit/permissions/Permission.java

@@ -181,7 +181,7 @@ public class Permission {
      */
     public Permission addParent(String name, boolean value) {
         PluginManager pm = Bukkit.getServer().getPluginManager();
-        String lname = name.toLowerCase();
+        String lname = name.toLowerCase(java.util.Locale.ENGLISH);
 
         Permission perm = pm.getPermission(lname);