Update requirements.txt

requirements.txt

@@ -1,8 +1,7 @@
-streamlit>=1.0,<2.0
-transformers>=4.0,<5.0
-sentence-transformers>=2.0,<3.0
-huggingface_hub>=0.0.0
-pdfplumber>=0.0.0
-torch>=1.0,<3.0
-pandas>=1.3.0,<3.0
-Pillow>=7.1.0,<10
+haystack-ai>=2.9.0,<3.0.0
+markdown-it-py>=3.0.0,<4.0.0
+mdit-plain>=1.0.1,<2.0.0
+nltk>=3.9.1,<4.0.0
+sentence-transformers>=3.3.1,<4.0.0
+streamlit>=1.41.1,<2.0.0
+gradio>=5.13.1,<6.0.0