chore(deps): update ultralytics requirement in /worker

Updates the requirements on [ultralytics](https://github.com/ultralytics/ultralytics) to permit the latest version.
- [Release notes](https://github.com/ultralytics/ultralytics/releases)
- [Commits](ultralytics/ultralytics@v8.4.56...v8.4.60)

---
updated-dependencies:
- dependency-name: ultralytics
  dependency-version: 8.4.60
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

worker/requirements-yolo.txt

@@ -1,7 +1,7 @@
 # Requirements for the YOLO Object Detection Worker
 # Install on a machine with a GPU for best performance,
 # or use a Raspberry Pi with NCNN/Hailo backend.
-ultralytics>=8.4.56
+ultralytics>=8.4.60
 paho-mqtt>=2.1.0
 Pillow>=12.2.0