1.21.7 support pls

[xiwangly2]

Run on LeavesMC 1.21.7 （https://github.com/LeavesMC/Leaves/actions/runs/16250193608)

...
[Server] [22:33:13 INFO]: [DiggusMaximusBukkit] Enabling DiggusMaximusBukkit v1.3.0
[Server] [22:33:13 ERROR]: Error occurred while enabling DiggusMaximusBukkit v1.3.0 (Is it up to date?)
[Server] java.lang.NoClassDefFoundError: com/comphenix/protocol/ProtocolManager
[Server]        at DiggusMaximusBukkit-1.3.0.jar/cx.rain.mc.diggus_maximus_bukkit.DiggusMaximusBukkit.onEnable(DiggusMaximusBukkit.java:40) ~[DiggusMaximusBukkit-1.3.0.jar:?]
[Server]        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:280) ~[leaves-api-1.21.7-R0.1-SNAPSHOT.jar:?]
[Server]        at io.papermc.paper.plugin.manager.PaperPluginInstanceManager.enablePlugin(PaperPluginInstanceManager.java:202) ~[leaves-1.21.7.jar:1.21.7-DEV-a8238c9]
[Server]        at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.enablePlugin(PaperPluginManagerImpl.java:109) ~[leaves-1.21.7.jar:1.21.7-DEV-a8238c9]
[Server]        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:520) ~[leaves-api-1.21.7-R0.1-SNAPSHOT.jar:?]
[Server]        at org.bukkit.craftbukkit.CraftServer.enablePlugin(CraftServer.java:656) ~[leaves-1.21.7.jar:1.21.7-DEV-a8238c9]
[Server]        at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:612) ~[leaves-1.21.7.jar:1.21.7-DEV-a8238c9]
[Server]        at net.minecraft.server.MinecraftServer.loadWorld0(MinecraftServer.java:745) ~[leaves-1.21.7.jar:1.21.7-DEV-a8238c9]
[Server]        at net.minecraft.server.MinecraftServer.loadLevel(MinecraftServer.java:490) ~[leaves-1.21.7.jar:1.21.7-DEV-a8238c9]
[Server]        at net.minecraft.server.dedicated.DedicatedServer.initServer(DedicatedServer.java:286) ~[leaves-1.21.7.jar:1.21.7-DEV-a8238c9]
[Server]        at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1167) ~[leaves-1.21.7.jar:1.21.7-DEV-a8238c9]
[Server]        at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:312) ~[leaves-1.21.7.jar:1.21.7-DEV-a8238c9]
[Server]        at java.base/java.lang.Thread.run(Thread.java:1583) ~[?:?]
[Server] Caused by: java.lang.ClassNotFoundException: com.comphenix.protocol.ProtocolManager
[Server]        at org.bukkit.plugin.java.PluginClassLoader.loadClass0(PluginClassLoader.java:205) ~[leaves-api-1.21.7-R0.1-SNAPSHOT.jar:?]
[Server]        at org.bukkit.plugin.java.PluginClassLoader.loadClass(PluginClassLoader.java:172) ~[leaves-api-1.21.7-R0.1-SNAPSHOT.jar:?]
[Server]        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526) ~[?:?]
[Server]        ... 13 more
[Server] [22:33:13 INFO]: [DiggusMaximusBukkit] Disabling DiggusMaximusBukkit v1.3.0
...

[qyl27]

Catopia haven't update to 1.21.7, and I have some changing in the upstream mod. It may take a while.