Update tensorflow-datasets requirement

Updates the requirements on [tensorflow-datasets](https:/tensorflow/datasets) to permit the latest version.
- [Release notes](https:/tensorflow/datasets/releases)
- [Changelog](https:/tensorflow/datasets/blob/master/CHANGELOG.md)
- [Commits](tensorflow/datasets@v3.1.0...v4.9.6)

---
updated-dependencies:
- dependency-name: tensorflow-datasets
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

setup.py

@@ -40,7 +40,7 @@ def readme():
  "pytest-mock==3.12.0",
  "pytest-xdist==3.6.1",
  "Pillow==10.3.0",
- "tensorflow_datasets>=3.1.0,<4.9.0",
+ "tensorflow_datasets>=4.9.6,<4.10.0",
  ],
  },
  entry_points="""