=update news for RegexMatch iterating

NEWS.md

@@ -47,6 +47,8 @@ Standard library changes
 * The function `isapprox(x,y)` now accepts the `norm` keyword argument also for numeric (i.e., non-array) arguments `x` and `y` ([#35883]).
 * `view`, `@view`, and `@views` now work on `AbstractString`s, returning a `SubString` when appropriate ([#35879]).
 * All `AbstractUnitRange{<:Integer}`s now work with `SubString`, `view`, `@view` and `@views` on strings ([#35879]).
+* `RegexMatch` now iterate to give their captures. This means you can write `foo(::Noting)` and `foo((cap1, cap2)::RegexMatch)` to dispatch on if `match` found anything or not ([#34355]).
+
 
 #### LinearAlgebra
 * New method `LinearAlgebra.issuccess(::CholeskyPivoted)` for checking whether pivoted Cholesky factorization was successful ([#36002]).