Make copyright year a placeholder (#1305)

* make copyright year a placeholder

* review

proxy/src/main/java/com/velocitypowered/proxy/command/builtin/VelocityCommand.java

@@ -46,6 +46,7 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.StandardOpenOption;
 import java.text.SimpleDateFormat;
+import java.time.LocalDate;
 import java.util.Collection;
 import java.util.Date;
 import java.util.List;
@@ -165,7 +166,8 @@ public final class VelocityCommand {
       final Component copyright = Component
           .translatable("velocity.command.version-copyright",
               Component.text(version.getVendor()),
-              Component.text(version.getName()));
+                  Component.text(version.getName()),
+                  Component.text(LocalDate.now().getYear()));
       source.sendMessage(velocity);
       source.sendMessage(copyright);
 

proxy/src/main/resources/com/velocitypowered/proxy/l10n/messages.properties

@@ -48,7 +48,7 @@ velocity.command.glist-player-plural={0} players are currently connected to the
 velocity.command.glist-view-all=To view all players on servers, use /glist all.
 velocity.command.reload-success=Velocity configuration successfully reloaded.
 velocity.command.reload-failure=Unable to reload your Velocity configuration. Check the console for more details.
-velocity.command.version-copyright=Copyright 2018-2023 {0}. {1} is licensed under the terms of the GNU General Public License v3.
+velocity.command.version-copyright=Copyright 2018-{2} {0}. {1} is licensed under the terms of the GNU General Public License v3.
 velocity.command.no-plugins=There are no plugins currently installed.
 velocity.command.plugins-list=Plugins: {0}
 velocity.command.plugin-tooltip-website=Website: {0}