build(deps): update fiftyone requirement from <=0.21.2 to <=0.21.4 in…

… /requirements (#1656)

build(deps): update fiftyone requirement in /requirements

Updates the requirements on [fiftyone](https://github.com/voxel51/fiftyone) to permit the latest version.
- [Release notes](https://github.com/voxel51/fiftyone/releases)
- [Commits](voxel51/fiftyone@db-v0.1.1rc1...v0.21.4)

---
updated-dependencies:
- dependency-name: fiftyone
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/datatype_video.txt

@@ -5,4 +5,4 @@ Pillow >7.1, <=10.0.0
 kornia >=0.5.1, <=0.6.12
 pytorchvideo ==0.1.2
 
-fiftyone <=0.21.2
+fiftyone <=0.21.4