CachedUntil - Clamp CachedSeconds expiry to DateTime.MaxValue

src/NLog/LayoutRenderers/Wrappers/CachedLayoutRendererWrapper.cs

@@ -208,7 +208,12 @@ namespace NLog.LayoutRenderers.Wrappers
 
         private DateTime? ResolveCachedValueExpires(DateTime timeStamp)
         {
-            DateTime? expires = _cachedValueTimeout.HasValue ? timeStamp + _cachedValueTimeout.Value : null;
+            DateTime? expires = null;
+            if (_cachedValueTimeout.HasValue)
+            {
+                var timeoutTicks = Math.Min(_cachedValueTimeout.Value.Ticks, DateTime.MaxValue.Ticks - timeStamp.Ticks);
+                expires = timeStamp.AddTicks(timeoutTicks);
+            }
             if (_cachedUntil != CachedUntilLifetime.None)
             {
                 var periodTicks = _cachedUntil == CachedUntilLifetime.DayChange ? TimeSpan.TicksPerDay : TimeSpan.TicksPerHour;