📝 Update release notes

[skip ci]

Author: github-actions[bot]

docs/release-notes.md

@@ -8,6 +8,7 @@
 
 ### Docs
 
+* 🔥 Remove outdated Python 3.9 tutorial file. PR [#1822](https://github.com/fastapi/sqlmodel/pull/1822) by [@svlandeg](https://github.com/svlandeg).
 * 📝 Fix ambiguous phrasing regarding `HeroPublicWithTeam` model. PR [#1678](https://github.com/fastapi/sqlmodel/pull/1678) by [@berkaykrc](https://github.com/berkaykrc).
 * 🔨 Handle external links `target=_blank` and CSS automatically in JS and CSS. PR [#1799](https://github.com/fastapi/sqlmodel/pull/1799) by [@tiangolo](https://github.com/tiangolo).
 * 📝 Document `.in_()` method. PR [#619](https://github.com/fastapi/sqlmodel/pull/619) by [@masylum](https://github.com/masylum).