Bump transformers in /example_dropin_environments/python311_genai-gpu

Bumps [transformers](https://github.com/huggingface/transformers) from 4.39.3 to 4.53.0.
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](huggingface/transformers@v4.39.3...v4.53.0)

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

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

Author: dependabot[bot]

example_dropin_environments/python311_genai-gpu/requirements.txt

@@ -1,6 +1,6 @@
 cloudpickle==2.2.1
 torch==2.0.1
-transformers==4.39.3
+transformers==4.53.0
 openai==1.30.2
 langchain==0.3.12
 optimum==1.19.2