copilot: Add support for tool_calls for gpt-4.1, gpt-4o, o4-mini

Signed-off-by: Umesh Yadav <umesh4257@gmail.com>

Author: imumesh18

crates/language_models/src/provider/copilot_chat.rs

@@ -188,7 +188,10 @@ impl LanguageModel for CopilotChatLanguageModel {
 
     fn supports_tools(&self) -> bool {
         match self.model {
-            CopilotChatModel::Claude3_5Sonnet
+            CopilotChatModel::Gpt4o
+            | CopilotChatModel::Gpt4_1
+            | CopilotChatModel::O4Mini
+            | CopilotChatModel::Claude3_5Sonnet
             | CopilotChatModel::Claude3_7Sonnet
             | CopilotChatModel::Claude3_7SonnetThinking => true,
             _ => false,