Revert gradio to 4.44.1 for spaces

Style main content differently since gradio api for Markdown is
different

app.py

@@ -134,11 +134,10 @@ with gr.Blocks(
         Stay updated with the latest AI and ML news, summarized by AI! ✨
     """)
 
-    content_display = gr.Markdown(
+    with gr.Row(variant="panel", elem_classes="content-shadow"):
+        content_display = gr.Markdown(
             label="📄 Content",
             value="Loading news data... 🔄",
-            container=True, 
-            padding=20
         )
     
     # Metadata section (collapsible, collapsed by default)

requirements.txt

@@ -1,4 +1,4 @@
-gradio>=5.38.2
+gradio>=4.44.1,<5.0.0
 pandas>=2.3.1
 huggingface_hub>=0.33.5
 pyarrow>=21.0.0