Update spy locale entries with new placeholders

common/src/main/resources/locale/messages-en_US.properties

@@ -91,7 +91,7 @@ command.spy.disabled=<red>Spying is now disabled.
 party.player_joined=<display_name><green> joined your party.
 party.player_left=<display_name><green> left your party.
 party.cannot_use_channel=<red>You must join a party to use this channel.
-party.spy=[Spy]<message>
+party.spy=<red>Spy <party_name> <red>[<username>: <white><message><red>]
 config.reload.failed=<red>Config failed to reload
 config.reload.success=<green>Config reloaded successfully
 error.command.argument_parsing=<red>Invalid command argument: <gray><throwable_message>
@@ -148,7 +148,7 @@ whisper.toggled.on=Now receiving private messages.
 whisper.toggled.off=No longer receiving private messages.
 channel.cooldown=<red>You may use chat again in <remaining> seconds!
 channel.radius.empty_recipients=<red>You're not close enough to anyone to send a message
-channel.radius.spy=<red>Spy [<white><message><red>]
+channel.radius.spy=<red>Spy [<username>: <white><message><red>]
 channel.joined=<green>You have rejoined the channel</green>
 channel.left=<red>You have left the channel</red>
 channel.no_permission=<red>You do not have permission to use this channel</red>