Add changelog notes for 24.03 (#9946)

* changelog: Checkpoint 2024-03-20

commit: b8e79c0

* Bump the version to 24.3.0

* changelog: Checkpoint 2024-03-25

commit: 614a744

* Address review comments

* changelog: Checkpoint 2024-03-30

commit: 64c1de1

* Adjust release day to 2024-03-30

* Linkify

Author: the-mikedavis