📝 Update release notes

[skip ci]

docs/en/docs/release-notes.md

@@ -15,6 +15,7 @@ hide:
 
 ### Internal
 
+* 🔧 Set Dependabot schedule interval to "monthly". PR [#15874](https://github.com/fastapi/fastapi/pull/15874) by [@YuriiMotov](https://github.com/YuriiMotov).
 * ⬆ Bump CodSpeedHQ/action from 4.17.6 to 4.18.1 in the github-actions group. PR [#15950](https://github.com/fastapi/fastapi/pull/15950) by [@dependabot[bot]](https://github.com/apps/dependabot).
 * ⬆ Bump the python-packages group with 8 updates. PR [#15952](https://github.com/fastapi/fastapi/pull/15952) by [@dependabot[bot]](https://github.com/apps/dependabot).
 * 🔧 Update sponsors: add TutorCruncher. PR [#15947](https://github.com/fastapi/fastapi/pull/15947) by [@tiangolo](https://github.com/tiangolo).