chore(ci): upgrade linter to 1.56.2 (#3714)

cli/command_server_start.go

@@ -199,7 +199,7 @@ func (c *commandServerStart) run(ctx context.Context) error {
 	httpServer := &http.Server{
 		ReadHeaderTimeout: 15 * time.Second, //nolint:gomnd
 		Addr:              stripProtocol(c.sf.serverAddress),
-		BaseContext: func(l net.Listener) context.Context {
+		BaseContext: func(_ net.Listener) context.Context {
 			return ctx
 		},
 	}