Mention SharedArrays constructor deps in NEWS.md entry for #19989. (#21995)

Author: Sacha0

NEWS.md

@@ -508,7 +508,7 @@ Deprecated or removed
   * The `Array` constructor syntax `Array(T, dims...)` has been deprecated
     in favor of the forms `Array{T,N}(dims...)` (where `N` is known, or
     particularly `Vector{T}(dims...)` for `N = 1` and `Matrix{T}(dims...)` for `N = 2`),
-    and `Array{T}(dims...)` (where `N` is not known) ([#19989]).
+    and `Array{T}(dims...)` (where `N` is not known). Likewise for `SharedArray`s ([#19989]).
 
   * `sumabs` and `sumabs2` have been deprecated in favor of `sum(abs, x)` and `sum(abs2, x)`, respectively.
     `maxabs` and `minabs` have similarly been deprecated in favor of `maximum(abs, x)` and `minimum(abs, x)`.