fix: downgrade pydantic to 2.8.0 to resolve runtime error

- Pydantic 2.10.6 has known compatibility issues with HF transformers
- Downgrade to stable 2.8.0 version to fix application startup error
- Resolves Application unable to start error

requirements.txt

@@ -1,17 +1,17 @@
-spaces
-timm
-openai
-numpy==1.24.4
-Pillow==10.3.0
-Requests==2.31.0
-torch
-torchvision
-transformers==4.46.1
-accelerate
-qwen-vl-utils
-anthropic
-groq
-sentencepiece
-huggingface_hub
-einops
-pydantic==2.10.6
+spaces
+timm
+openai
+numpy==1.24.4
+Pillow==10.3.0
+Requests==2.31.0
+torch
+torchvision
+transformers==4.46.1
+accelerate
+qwen-vl-utils
+anthropic
+groq
+sentencepiece
+huggingface_hub
+einops
+pydantic==2.8.0