fix: allow ConversationalAgentBuilder to be built using a dynamic LLM…

… instance

src/agent/chat/builder.rs

@@ -50,7 +50,7 @@ impl ConversationalAgentBuilder {
         self
     }
 
-    pub fn build<L: LLM + 'static>(self, llm: L) -> Result<ConversationalAgent, AgentError> {
+    pub fn build<L: Into<Box<dyn LLM>>>(self, llm: L) -> Result<ConversationalAgent, AgentError> {
         let tools = self.tools.unwrap_or_default();
         let prefix = self.prefix.unwrap_or_else(|| PREFIX.to_string());
         let suffix = self.suffix.unwrap_or_else(|| SUFFIX.to_string());