[mirotalksfu] - fix deepseek in the chat, update dep

.env.template

@@ -316,6 +316,7 @@ SHOW_CHAT_EMOJI=true                              # Show chat emoji button (true
 SHOW_CHAT_MARKDOWN=true                           # Show chat markdown button (true|false)
 SHOW_CHAT_SPEECH=true                             # Show chat speech button (true|false)
 ENABLE_CHAT_GPT=true                              # Enable ChatGPT in chat (true|false)
+ENABLE_DEEP_SEEK=true                             # Enable DeepSeek in chat (true|false)
 
 # Poll Controls
 SHOW_POLL_PIN=true                                # Show poll pin button (true|false)