arrow

GH-37325: [R] Update NEWS.md with missing changes for 13.0.0  (#37326)

### Rationale for this change

Missing items in NEWS.md need documenting

### What changes are included in this PR?

Adding these items

### Are these changes tested?

No
* Closes: #37325

Authored-by: Nic Crane <thisisnic@gmail.com>
Signed-off-by: Nic Crane <thisisnic@gmail.com>