fix compile error

Author: SpaceWalkerRS

libraries/networking-impl/networking-impl-mc1.13-pre3-mc1.13-pre3/src/main/java/net/ornithemc/osl/networking/impl/mixin/client/MinecraftMixin.java

@@ -12,7 +12,7 @@ public abstract class MinecraftMixin implements BlockableEventLoop, TaskRunnerAc
 
 	@Override
 	public boolean osl$networking$submit(Runnable task) {
-		this.submit(task);
+		this.execute(task);
 		return true;
 	}
 }

libraries/networking-impl/networking-impl-mc1.13-pre3-mc1.13-pre3/src/main/java/net/ornithemc/osl/networking/impl/mixin/common/MinecraftServerMixin.java

@@ -12,7 +12,7 @@ public abstract class MinecraftServerMixin implements BlockableEventLoop, TaskRu
 
 	@Override
 	public boolean osl$networking$submit(Runnable task) {
-		this.submit(task);
+		this.execute(task);
 		return true;
 	}
 }

libraries/networking-impl/networking-impl-mc14w31a-mc1.13-pre2/src/main/java/net/ornithemc/osl/networking/impl/mixin/client/MinecraftMixin.java

@@ -12,7 +12,7 @@ public abstract class MinecraftMixin implements BlockableEventLoop, TaskRunnerAc
 
 	@Override
 	public boolean osl$networking$submit(Runnable task) {
-		this.submit(task);
+		this.execute(task);
 		return true;
 	}
 }

libraries/networking-impl/networking-impl-mc14w31a-mc1.13-pre2/src/main/java/net/ornithemc/osl/networking/impl/mixin/common/MinecraftServerMixin.java

@@ -12,7 +12,7 @@ public abstract class MinecraftServerMixin implements BlockableEventLoop, TaskRu
 
 	@Override
 	public boolean osl$networking$submit(Runnable task) {
-		this.submit(task);
+		this.execute(task);
 		return true;
 	}
 }