Bump transformers in /example_dropin_environments/python39_genai (#1672)

Bumps [transformers](https://github.com/huggingface/transformers) from 4.52.1 to 4.53.0.
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](huggingface/transformers@v4.52.1...v4.53.0)

---
updated-dependencies:
- dependency-name: transformers
  dependency-version: 4.53.0
  dependency-type: direct:production
...

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example_dropin_environments/python39_genai/requirements.txt

@@ -1,6 +1,6 @@
 cloudpickle==2.2.1
 torch==2.0.1
-transformers==4.52.1
+transformers==4.53.0
 openai==0.27.8
 langchain==0.0.335
 sentence-transformers==2.2.2