This PR adds the highlights section to v4.16.0 release notes. --------- Co-authored-by: Joachim Breitner <mail@joachim-breitner.de> Co-authored-by: David Thrane Christiansen <david@davidchristiansen.dk> Co-authored-by: Kim Morrison <kim@tqft.net>
This will make it more straightforward to check automatically that the release notes in the repository match the release notes on github.