build(deps): update faster-coco-eval requirement in /requirements

Updates the requirements on [faster-coco-eval](https://github.com/MiXaiLL76/faster_coco_eval) to permit the latest version.
- [Release notes](https://github.com/MiXaiLL76/faster_coco_eval/releases)
- [Changelog](https://github.com/MiXaiLL76/faster_coco_eval/blob/main/history.md)
- [Commits](MiXaiLL76/faster_coco_eval@1.5.2...1.6.0)

---
updated-dependencies:
- dependency-name: faster-coco-eval
  dependency-type: direct:production
...

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

requirements/detection_test.txt

@@ -1,4 +1,4 @@
 # NOTE: the upper bound for the package version is only set for CI stability, and it is dropped while installing this package
 #  in case you want to preserve/enforce restrictions on the latest compatible version, add "strict" as an in-line comment
 
-faster-coco-eval ==1.5.*
+faster-coco-eval ==1.6.*