Remove unnecessary per-frame allocation.

UIParticle.UpdateRenderers() produces a sizable per-frame allocation due to the use of LINQ's Any() method. Replacing said method usage with a simple foreach loop entirely removes the allocation and reduces over all GC pressure.

Scripts/UIParticle.cs

@@ -323,9 +323,13 @@ internal void UpdateRenderers()
  {
  if (!isActiveAndEnabled) return;
 
- if (m_Renderers.Any(x => !x))
+ foreach (var rend in m_Renderers)
  {
- RefreshParticles(particles);
+ if (!rend)
+ {
+ RefreshParticles(particles);
+ break;
+ }
  }
 
  var bakeCamera = GetBakeCamera();