Bump transformers in /examples/large_models/ipex_llm_int8

Bumps [transformers](https://github.com/huggingface/transformers) from 4.38.2 to 4.48.0.
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](huggingface/transformers@v4.38.2...v4.48.0)

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

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

Author: dependabot[bot]

examples/large_models/ipex_llm_int8/requirements.txt

@@ -2,5 +2,5 @@ datasets==2.18.0
 intel_extension_for_pytorch==2.4.0+gite2d4be3
 torch==2.4.0.dev20240328+cpu
 torchserve==0.11.0
-transformers==4.38.2
+transformers==4.48.0
 accelerate