Mark IDaemonMsg with public interface marker (#7596)

* Mark IDaemonMsg with public interface marker

* Update API Approval list

---------

Co-authored-by: Aaron Stannard <aaron@petabridge.com>

Author: Arkatufus

src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveRemote.DotNet.verified.txt

@@ -129,6 +129,8 @@ namespace Akka.Remote
         void Reset();
     }
     [Akka.Annotations.InternalApiAttribute()]
+    public interface IInternalRemotingMessage { }
+    [Akka.Annotations.InternalApiAttribute()]
     public interface IRemoteActorRefProvider : Akka.Actor.IActorRefProvider
     {
         Akka.Actor.IInternalActorRef RemoteDaemon { get; }

src/core/Akka.API.Tests/verify/CoreAPISpec.ApproveRemote.Net.verified.txt

@@ -129,6 +129,8 @@ namespace Akka.Remote
         void Reset();
     }
     [Akka.Annotations.InternalApiAttribute()]
+    public interface IInternalRemotingMessage { }
+    [Akka.Annotations.InternalApiAttribute()]
     public interface IRemoteActorRefProvider : Akka.Actor.IActorRefProvider
     {
         Akka.Actor.IInternalActorRef RemoteDaemon { get; }

src/core/Akka.Remote/RemoteSystemDaemon.cs

@@ -12,6 +12,7 @@
 using System.Linq;
 using Akka.Actor;
 using Akka.Actor.Internal;
+using Akka.Annotations;
 using Akka.Dispatch.SysMsg;
 using Akka.Event;
 using Akka.Util;
@@ -22,8 +23,15 @@ namespace Akka.Remote
 {
     /// <summary>
     /// INTERNAL API
+    /// Used to mark that a message is meant as a system call and should not be traced
     /// </summary>
-    internal interface IDaemonMsg { }
+    [InternalApi]
+    public interface IInternalRemotingMessage { }
+    
+    /// <summary>
+    /// INTERNAL API
+    /// </summary>
+    internal interface IDaemonMsg:IInternalRemotingMessage { }
 
     /// <summary>
     ///  INTERNAL API