📝 Update release notes

Author: github-actions

docs/release-notes.md

@@ -2,6 +2,7 @@
 
 ## Latest Changes
 
+* ✨ Update GUID handling to use stdlib `UUID.hex` instead of an `int`. PR [#26](https://github.com/tiangolo/sqlmodel/pull/26) by [@andrewbolster](https://github.com/andrewbolster).
 * 🐛 Fix setting nullable property of Fields that don't accept `None`. PR [#79](https://github.com/tiangolo/sqlmodel/pull/79) by [@van51](https://github.com/van51).
 * ✏ Fix broken variable/typo in docs for Read Relationships, `hero_spider_boy.id` => `hero_spider_boy.team_id`. PR [#106](https://github.com/tiangolo/sqlmodel/pull/106) by [@yoannmos](https://github.com/yoannmos).
 * 🎨 Remove unwanted highlight in the docs. PR [#233](https://github.com/tiangolo/sqlmodel/pull/233) by [@jalvaradosegura](https://github.com/jalvaradosegura).