Add new spawn=true Channel param to NEWS

NEWS.md

@@ -20,8 +20,10 @@ Multi-threading changes
   ([#32309], [#32174], [#31981], [#32421]).
 * The global random number generator (`GLOBAL_RNG`) is now thread-safe (and thread-local) ([#32407]).
 * New experimental `Threads.@spawn` macro that runs a task on any available thread ([#32600]).
-* Simplified the `Channel` constructor, which is now easier to read and more idiomatic julia.
-  The old constructor (which used kwargs) is still available, but use is discouraged ([#30855], [#32818]).
+* New `Channel(f::Function)` constructor param (`spawn=true`) to schedule created Task on
+  any available thread ([#...]). Also simplified the `Channel` constructor, which is now
+  easier to read and more idiomatic julia. The old constructor (which used kwargs) is still
+  available, but use is discouraged ([#30855], [#32818]).
 
 Build system changes
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