add log for update slash commands

Author: yangbobo2021

src/ide_services/endpoints/updateSlashCommands.ts

@@ -1,7 +1,9 @@
+import { logger } from '../../util/logger';
 import * as vscode from 'vscode';
 
 
 export async function updateSlashCommands() {
+    logger.channel()?.debug('Updating slash commands...');
     vscode.commands.executeCommand('DevChat.InstallCommands');
     return true;
 }