Update transformers requirement from <4.16,>=4.1 to >=4.1,<4.17 (#5553)

Updates the requirements on [transformers](/~https://github.com/huggingface/transformers) to permit the latest version.
- [Release notes](/~https://github.com/huggingface/transformers/releases)
- [Commits](huggingface/transformers@v4.1.0...v4.16.0)

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

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setup.py

@@ -65,7 +65,7 @@
         "scikit-learn",
         "scipy",
         "pytest",
-        "transformers>=4.1,<4.16",
+        "transformers>=4.1,<4.17",
         "sentencepiece",
         "dataclasses;python_version<'3.7'",
         "filelock>=3.3,<3.5",