pin optimum version (#1675)

The recent addition of transformers [4.48 support
](huggingface/optimum-intel#1136) in
optimum-intel has has broke our CI. Temporarily pined version of
optium-intel.


![image](https://github.com/user-attachments/assets/9d999570-09d0-414f-a210-a48029f49640)


![image](https://github.com/user-attachments/assets/284a0403-b18a-497f-9155-a8083bad618e)

samples/export-requirements.txt

@@ -2,7 +2,7 @@
 --extra-index-url https://storage.openvinotoolkit.org/simple/wheels/pre-release
 --extra-index-url https://storage.openvinotoolkit.org/simple/wheels/nightly
 openvino-tokenizers~=2025.1.0.0.dev
-optimum-intel @ git+https://github.com/huggingface/optimum-intel.git
+optimum-intel @ git+https://github.com/huggingface/optimum-intel.git@faeebf3416d17e3a6761db5f2e05569e0319311b
 numpy<2.0.0; sys_platform == 'darwin'
 einops==0.8.0  # For Qwen
 transformers_stream_generator==0.0.5  # For Qwen

tools/llm_bench/requirements.txt

@@ -11,7 +11,7 @@ torch
 transformers>=4.40.0
 diffusers>=0.22.0
 #optimum is in dependency list of optimum-intel 
-git+https://github.com/huggingface/optimum-intel.git@main#egg=optimum-intel
+git+https://github.com/huggingface/optimum-intel.git@faeebf3416d17e3a6761db5f2e05569e0319311b#egg=optimum-intel
 git+https://github.com/openvinotoolkit/nncf.git@develop#egg=nncf
 packaging
 psutil