User Guide: Update release-notes.md

Signed-off-by: Michael Mayer <[email protected]>

Author: lastzero

docs/release-notes.md

@@ -13,6 +13,7 @@ What's new?
 - AI: [Support for using alternative image classification models](https://github.com/photoprism/photoprism/pull/5011) by [@raystlin](https://github.com/raystlin)
 - AI: [Direct Ollama integration for generating captions](https://github.com/photoprism/photoprism/issues/5123) and [labels](https://github.com/photoprism/photoprism/issues/5232) by [@lastzero](https://github.com/lastzero)
 - AI: [Improved vision model configuration and `photoprism vision run` command](https://github.com/photoprism/photoprism/commit/4bc9cd6ca23bb65072b766ae16b7966b4e7b3e36)
+- AI: [Configure a schedule for running models in the background](https://github.com/photoprism/photoprism/issues/5234) by [@lastzero](https://github.com/lastzero)
 - Auth: [2FA can be activated, even if the recovery code cannot be copied](https://github.com/photoprism/photoprism/issues/5106)
 - Search: [Added a reverse sort query parameter for initial testing (work in progress)](https://github.com/photoprism/photoprism/issues/683#issuecomment-3070215533)
 - Search: [Added escaping for `|` and `&` in filters](https://github.com/photoprism/photoprism/pull/5188) by [@keif888](https://github.com/keif888)