update license description

bridge/CMakeLists.txt

@@ -2,7 +2,8 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 #
 # Links GammaRay client libs (GPL-2.0-or-later) => this bridge must be
-# GPL-compatible. qtmcp is consumed under its GPL-2.0-only option (compatible).
+# GPL-compatible. qtmcp is triple-licensed (LGPL-3.0-only / GPL-2.0-only /
+# GPL-3.0-only); we comply under GPL-2.0-only.
 
 cmake_minimum_required(VERSION 3.16)
 project(GammaRayMcpBridge LANGUAGES CXX)