chore: use .NET 8 sdk

VpSharp/src/VirtualParadiseClient.NativeEvents.cs

@@ -458,6 +458,13 @@ public sealed partial class VirtualParadiseClient
         var location = new Location(world, position, rotation);
 
         VirtualParadiseAvatar avatar = GetAvatar(session)!;
+        avatar.Location = location;
+
+        if (world != CurrentWorld)
+        {
+            _avatars.TryRemove(session, out _);
+        }
+
         var args = new TeleportedEventArgs(avatar, location);
         _teleported.OnNext(args);
     }

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "7.0.0",
+    "version": "8.0.0",
     "rollForward": "latestMajor",
     "allowPrerelease": true
   }