Update requirements.txt

requirements.txt

@@ -1,16 +1,17 @@
-gradio==3.25.0
-tiktoken>=0.3.3
-requests[socks]
-transformers
-python-markdown-math
-beautifulsoup4
-latex2mathml
-python-docx
-mdtex2html
-colorama
-Markdown
-pygments
+gradio==3.28
+tiktoken>=0.3.3
+requests[socks]
+transformers
+python-markdown-math
+beautifulsoup4
+latex2mathml
+python-docx
+mdtex2html
+colorama
+Markdown
+pygments
+pymupdf
+openai
+numpy
+arxiv
 pymupdf
-openai
-numpy
-arxiv