Fixed 1.17 not booting

Closes #290

Author: FlorianMichael

viafabric-mc117/src/main/java/com/viaversion/fabric/mc117/mixin/debug/client/MixinClientConnection.java

@@ -2,7 +2,7 @@
 
 import io.netty.channel.ChannelHandlerContext;
 import net.minecraft.network.ClientConnection;
-import org.slf4j.Logger;
+import org.apache.logging.log4j.Logger;
 import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;