📝 Update release notes

[skip ci]

Author: github-actions[bot]

release-notes.md

@@ -4,6 +4,7 @@
 
 ### Internal
 
+* ⬆ Bump actions/checkout from 5 to 6. PR [#2074](https://github.com/fastapi/full-stack-fastapi-template/pull/2074) by [@dependabot[bot]](https://github.com/apps/dependabot).
 * 👷 Add pre-commit workflow. PR [#2056](https://github.com/fastapi/full-stack-fastapi-template/pull/2056) by [@YuriiMotov](https://github.com/YuriiMotov).
 * ⬆ Bump @tanstack/router-devtools from 1.140.0 to 1.142.8 in /frontend. PR [#2060](https://github.com/fastapi/full-stack-fastapi-template/pull/2060) by [@dependabot[bot]](https://github.com/apps/dependabot).
 * ⬆ Bump @tanstack/react-router from 1.141.2 to 1.142.8 in /frontend. PR [#2062](https://github.com/fastapi/full-stack-fastapi-template/pull/2062) by [@dependabot[bot]](https://github.com/apps/dependabot).