squash! examples : add model conversion tool/example

Update transformer dep to use non-dev version. And also import
`AutoModelForCausalLM` instead of `AutoModel` to ensure compatibility
with the latest version.

Author: danbev

examples/model-conversion/requirements.txt

@@ -1,4 +1,4 @@
 torch~=2.6.0
 torchvision~=0.21.0
-transformers~=4.54.0.dev0
-huggingface-hub~=0.33.4
+transformers~=4.55.0
+huggingface-hub~=0.34.0

examples/model-conversion/scripts/causal/run-casual-gen-embeddings-org.sh

@@ -7,7 +7,7 @@ import sys
 import torch
 import numpy as np
 
-from transformers import AutoTokenizer, AutoConfig, AutoModel
+from transformers import AutoTokenizer, AutoConfig, AutoModel, AutoModelForCausalLM
 from pathlib import Path
 
 unreleased_model_name = os.getenv('UNRELEASED_MODEL_NAME')