fix(cli): update DiffRenderer tests for colorizeCode tabWidth parameter

The colorizeCode function signature was updated to include a tabWidth
parameter (defaulting to 4). This updates the test assertions to match
the new function signature.

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

packages/cli/src/ui/components/messages/DiffRenderer.test.tsx

@@ -56,6 +56,7 @@ index 0000000..e69de29
       80,
       undefined,
       mockSettings,
+      4,
     );
   });
 
@@ -86,6 +87,7 @@ index 0000000..e69de29
       80,
       undefined,
       mockSettings,
+      4,
     );
   });
 
@@ -115,6 +117,7 @@ index 0000000..e69de29
       80,
       undefined,
       mockSettings,
+      4,
     );
   });