Fix trailing whitespace issues in Python and Go code

Co-authored-by: friggeri <106686+friggeri@users.noreply.github.com>

Author: Copilot

go/client.go

@@ -999,7 +999,7 @@ func (c *Client) verifyProtocolVersion(ctx context.Context) error {
 func (c *Client) startCLIServer(ctx context.Context) error {
 	// Start with user-provided CLI args (inserted before SDK-managed args)
 	args := append([]string{}, c.options.CLIArgs...)
-	
+
 	// Add SDK-managed args
 	args = append(args, "--headless", "--no-auto-update", "--log-level", c.options.LogLevel)
 

python/copilot/client.py

@@ -1119,7 +1119,7 @@ async def _start_cli_server(self) -> None:
 
         # Start with user-provided CLI args (inserted before SDK-managed args)
         args = list(self.options.get("cli_args", []))
-        
+
         # Add SDK-managed args
         args.extend(["--headless", "--no-auto-update", "--log-level", self.options["log_level"]])