fix: Update icon command in copilot instructions to use the correct syntax

Author: codeAbinash

.github/copilot-instructions.md

@@ -2,7 +2,7 @@
 
 - Do not add unnecessary comments for my understanding.
 
-- Icons are used from hugeicons if you want to add extra icons to the library, you can add it running `ic-old iconName` command.
+- Icons are used from hugeicons if you want to add extra icons to the library, you can add it running `ic iconName` command.
   `iconName` is from the hugeicons website.
 
 - No need to fix formatting related issues.