Fixed missed default token

FastRng/Double/Distributions/Laplace.cs

@@ -12,7 +12,7 @@ namespace FastRng.Double.Distributions
 
         public double Scale { get; set; } = 1.0;
         
-        public async ValueTask<double> GetDistributedValue(CancellationToken token)
+        public async ValueTask<double> GetDistributedValue(CancellationToken token = default)
         {
             if (this.Random == null)
                 return System.Double.NaN;