chore: update changelog and add release notes skill (#10133)
* add release note skill to claude and update changelog
* update skill
* add commits to test claude on
* update skill
* more skill updates
* update skill
* Revert "add commits to test claude on"
This reverts commit f0769fb5dc7265bbb754e1808f0d2b4ca8e5936e.
* cleanup script
* fix formatting
* update skill
* remove outdated rules