[air](deps): Bump imageio in /python/requirements/ml

Bumps [imageio](https://github.com/imageio/imageio) from 2.34.2 to 2.37.2.
- [Release notes](https://github.com/imageio/imageio/releases)
- [Changelog](https://github.com/imageio/imageio/blob/master/CHANGELOG.md)
- [Commits](imageio/imageio@v2.34.2...v2.37.2)

---
updated-dependencies:
- dependency-name: imageio
  dependency-version: 2.37.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

python/requirements/ml/rllib-test-requirements.txt

@@ -2,7 +2,7 @@
 # ---------------------
 # Atari
 ale_py==0.10.1
-imageio==2.34.2
+imageio==2.37.2
 opencv-python-headless==4.9.0.80
 
 # For testing MuJoCo envs with gymnasium.