Further RGB.NET updates

src/Artemis.Core/RGB.NET/SKTexture.cs

@@ -8,7 +8,7 @@ namespace Artemis.Core
     /// <summary>
     ///     Represents a SkiaSharp-based RGB.NET PixelTexture
     /// </summary>
-    public sealed class SKTexture : PixelTexture<byte>
+    public sealed class SKTexture : PixelTexture<byte>, IDisposable
     {
         #region Constructors
 
@@ -42,6 +42,12 @@ namespace Artemis.Core
         /// </summary>
         protected override ReadOnlySpan<byte> Data => Bitmap.GetPixelSpan();
 
+        /// <inheritdoc />
+        public void Dispose()
+        {
+            Bitmap.Dispose();
+        }
+
         #endregion
     }
 }